Thai baht

Official currency of Thailand From Wikipedia, the free encyclopedia

Thai baht

The baht (/bɑːt/; Thai: บาท, pronounced [bàːt]; sign: ฿; code: THB) is the official currency of Thailand. It is divided into 100 satang (สตางค์, pronounced [sà.tāːŋ]). Prior to decimalisation, the baht was divided into eight fueang (เฟื้อง, pronounced [fɯá̯ŋ]), each of eight at (อัฐ, pronounced [ʔat̚]). The issuance of currency is the responsibility of the Bank of Thailand. SWIFT ranked the Thai baht as the 10th-most-frequently used world payment currency as of December 2023.[1]

Quick Facts บาทไทย, ISO 4217 ...
Thai baht
บาทไทย (Thai)
Thumb
Banknotes and coins of the Thai baht issued by the Bank of Thailand
ISO 4217
CodeTHB (numeric: 764)
Subunit0.01
PluralThe language(s) of this currency do(es) not have a morphological plural distinction.
Symbol฿ or บ.
Denominations
Subunit
1100satang
Banknotes
Freq. used฿20, ฿50, ฿100, ฿500, ฿1000
Coins
Freq. used25, 50 satang, ฿1, ฿2, ฿5, ฿10
Rarely used1, 5, 10 satang
Demographics
Date of introduction1897; 128 years ago (1897)
Official user(s) Thailand
Unofficial user(s)
Issuance
Central bankBank of Thailand
Websitewww.bot.or.th
PrinterNote Printing Works of the Bank of Thailand
MintRoyal Thai Mint
Websitewww.royalthaimint.net
Valuation
Inflation1.2% (2023)
SourceWorld Bank
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History

Summarize
Perspective
Quick Facts Unit, Plural ...
Siamese tical
(Predecimal Thai baht)
Predecimal tical coin issued by Rama IVPredecimal tical coin issued by Rama V
Unit
Pluralticals (baht)
SymbolNone official. The abbreviations Tcs, Tcl, 圓, or 銖 were used.
Denominations
Superunit
80chang
4tamlueng
Subunit
18fueang
164at
Symbol
fueangF or 方
Banknotes
Freq. used
  • 1 Tcs
  • 5 Tcs
Rarely used
  • 18 Tcs
  • 14 Tcs
  • 38 Tcs
  • 12 Tcs
  • 58 Tcs
  • 34 Tcs
  • 78 Tcs
  • 8 Tcs
  • 10 Tcs
  • 12 Tcs
  • 16 Tcs
  • 20 Tcs
  • 24 Tcs
  • 28 Tcs
  • 32 Tcs
  • 40 Tcs
  • 48 Tcs
  • 60 Tcs
  • 80 Tcs
  • 100 Tcs
  • 140 Tcs
  • 400 Tcs
  • 800 Tcs
  • 1000 Tcs
Coins
Freq. used
  • 116 F
  • 18 F
  • 14 F
  • 12 F
  • 1 F
  • 14 Tcs
  • 12 Tcs
  • 1 Tcs
  • 2.5 Tcs
  • 4 Tcs
  • 8 Tcs
Demographics
Date of introduction
  • Photduang coinage: c.1200s
  • Predecimal coinage: 1860
Date of withdrawal1910; 115 years ago (1910)
User(s) Siam
Issuance
Central bankSiamese government
Printersee § Predecimal banknotes
MintRoyal Thai Mint
Valuation
Pegged withPound sterling (from 1908)
(13 baht per pound)
This infobox shows the latest status before this currency was rendered obsolete.
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The Thai baht, like the pound, originated from a traditional unit of mass. Its currency value was originally expressed as that of silver of corresponding weight (now defined as 15 grams), and was in use probably as early as the Sukhothai period in the form of bullet coins known in Thai as photduang.[2] These were pieces of solid silver cast to various weights corresponding to a traditional system of units related by simple fractions and multiples, one of which is the baht. These are listed in the following table:[3][4] Though the coins themselves have names like: solot, siao, sik, etc, the formal division of the Thai baht (tical) is 1 baht = 8 fueang = 64 at. This means that one baht is divided into eight fueang, and each one fueang is divided into 8 at. Currently, the Thai baht do not employ the at as a subunit, but the at is the current subunit of the Lao kip.

More information Unit (RTGS), Relative value ...
Unit (RTGS) Thai spelling Relative value Value relative to Notes
Baht Satang
Bia เบี้ย 1100 at 16400 0.0156 Bia is Thai for cowry, the shell of which was used as a trade medium of the same value.
Solot โสฬส 116 fueang 1128 0.78 Solot here literally means sixteen or sixteenth, referring to the fractional amount relative to a fueang.
At อัฐ 18 fueang 164 1.56 Likewise, at means eight.
Siao/Phai เสี้ยว/ไพ 14 fueang 132 3.125 Siao means quarter.
Sik ซีก 12 fueang 116 6.25 Sik means half.
Fueang เฟื้อง 18 baht 18 12.5 The smallest silver bullet coins available in the market.
Salueng สลึง 14 baht (0.25 baht, 25 satang) 14 25 Thai version of the mace. It is also the equivalent of the Cambodian salong, and Burmese pya.
Baht บาท 1 100 It is also the equivalent of the Cambodian baat, and Burmese kyat. Its alternative name is the tical.
Tamlueng ตำลึง 4 baht 4 400 Thai version of the tael.
Chang ชั่ง 20 tamlueng 80 8000 Thai version of the catty.
Hap หาบ 80 chang 6400 640000
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Siamese predecimal tical system

This predecimal system was in use up until 1897, when the decimal system devised by Prince Jayanta Mongkol, in which one baht = 100 satang, was introduced by his half-brother King Chulalongkorn along with the demonetization of silver bullet coins on 28 October 1904 after the end of silver bullet coin production by the opening of Sitthikarn Royal Mint in 1857.[5] However, coins denominated in the old units were issued until 1910, and the amount of 25 satang is still commonly referred to as a salueng, as is the 25-satang coin.

Until 27 November 1902, the baht was fixed on a purely silver basis, with 15 grams of silver to the baht. This caused the value of the currency to vary relative to currencies on a gold standard. From 1856 to 1864, the values of certain foreign silver coins were fixed by law, with 5 baht = 3 Spanish dollar = 7 Indian rupees.[6] Before 1880 the exchange rate was fixed at 8 baht per pound sterling, falling to 10 to the pound during the 1880s.

In 1902, the government began to increase the value of the baht by following all increases in the value of silver against gold but not reducing it when the silver price fell. Beginning at 21.75 baht per pound sterling, the currency rose in value until, in 1908, a fixed peg to the British pound sterling was established of 13 baht per pound. This was revised to 12 baht in 1919 and then, after a period of instability, to 11 baht in 1923. During World War II, the baht was fixed at a value of one Japanese yen on 22 April 1942.[7][8]

From 1956 until 1973, the baht was pegged to the US dollar at an exchange rate of 20.8 baht = one dollar and at 20 baht = 1 dollar until 1978.[9] [10] A strengthening US economy caused Thailand to re-peg its currency at 25 to the dollar from 1984 until 2 July 1997, when the country was affected by the 1997 Asian financial crisis. The baht was floated and halved in value, reaching its lowest rate of 56 to the dollar in January 1998. It rose to 30 per dollar in January 2021.

The baht was originally known to foreigners by the term tical,[11] which was used in English language text on banknotes until the series 2 1925.[12][13]

Currency symbol

Summarize
Perspective

The currency symbol for the baht is ฿ (a Latin letter B with a vertical stroke). In 1986, this symbol was given a codepoint for computer use in the Thai Industrial Standard 620-2533 (Thailand's extension of ASCII), at position 0xDF. This national standard was subsequently subsumed into international standards as ISO/IEC 8859-11 ("ISO Latin-Thai"). In turn, the ISO 8859 series were transposed into the Unicode standard,[14] where the symbol was allocated the codepoint U+0E3F ฿ THAI CURRENCY SYMBOL BAHT.[15] The symbol is also used for the Panamanian balboa.[16]

Abbreviation

In Thai usage, the baht (บาท) is legally abbreviated as บ. according to Section 7 of the Currency Act, B.E. 2501.[17]

Bitcoin

For a time, the baht symbol was appropriated by some as a symbol for Bitcoin, a cryptocurrency. Following representations,[18] a separate code point (U+20BF BITCOIN SIGN, a Latin letter B with two vertical strokes) was allocated in Unicode version 10.0.[19]

Square katakana

In Unicode 1.0, two codepoints were allocated to the baht, one as the currency symbol in the Thai range and one in the CJK Compatibility block as a square version of the Japanese word for "baht", written in katakana script.[20] The CJK codepoint, U+332C SQUARE PAATU, is documented in subsequent versions of the standard as "a mistaken, unused representation" and users are directed to U+0E3F ฿ THAI CURRENCY SYMBOL BAHT instead.[21] Consequently, only a few computer fonts have any content for this codepoint and its use is deprecated.[20]

(The Japanese for "baht" is ーツ (tsu). However, the reference glyph and the character name correspond to ーツ (tsu, from English "parts").[20])

Historical symbols used before decimalization

Before decimalization, the Siamese government employed Chinese, Latin, Jawi (Malay), Devanagari, Khmer and Khom, Lanna, and Burmese scripts  in banknotes and coins, as seen. The reason is not clear, though it is a common understanding that it is to ease the facilicitation of trade within Siam. It could also be the case that at the time, the capital, Bangkok (Phra Nakhon) was still a multi-cultural city, so as to be more inclusive, the government added various other language onto the currency - though by the second series after the decimalization in the 1900s, the currency was all but monolingual.

; yuán (บาท): This character was use during the times of Rama IV to represent baht, though this was phased out by another character which is in partially and informally used today. The only occurrence of this character was in Rama IV's banknote series.

; ; zhū (บาท): This character was in use from 1868–1925 officially on banknotes to represent baht. It is still in use today unofficially to refer to the Thai baht in general, as in 泰銖 or 泰铢.

; ; qián (สลึง): This character was in use from 1851–1908 officially on banknotes and coins to represent salueng.

; fāng (เฟื้อง): This character was in use from 1851–1908 officially on banknotes and coins to represent fueang.

The notation for these Chinese character are written like they are in Thai, though there is a caveat: it is written right to left, as was the convention back then, so one baht is written 圓壹 or 銖壹, if there are smaller units involved the notation can write like such: 方銭參圓壹 for one baht, three salueng, and one fueang.

Coins

Summarize
Perspective

Summary

More information Summary of predecimal baht coins, Series/Value ...
Summary of predecimal baht coins
Series/Value 1/16 Fueang
(1 Solot)
1/8 Fueang
(1 At)
1/4 Fueang
(1 Siao)
1/2 Fueang
(1 Sik)
1 Fueang
(1 Fueang)
1/4 Ticals
(1 Salueng)
1/2 Ticals
(2 Salueng)
1 Tical
(1 Baht)
2 Ticals
(2 Baht)
2 1/2 Ticals
(2 Baht 2 Salueng)
4 Ticals
(1 Tamlueng)
8 Ticals
(2 Tamlueng)
Issue 1
(1856)

4 years

Thumb Thumb
Issue 2
(1860)

15 years

Thumb Thumb Thumb Thumb Thumb Thumb Thumb Thumb Thumb Thumb Thumb Thumb
Issue 3
(1875)

13 years

Thumb Thumb Thumb Thumb Thumb Thumb Thumb
Issue 4
(1888)

9 years

Thumb Thumb Thumb
Summary of decimal baht coins
Series/Value 0.5 Satang 1 Satang 2.5 Satang 5 Satang 10 Satang 20 Satang 25 Satang 50 Satang 1 Baht 2 Baht 5 Baht 10 Baht
Issue 5
(1897)

11 years

Thumb Thumb Thumb Thumb
Issue 6
(1908, 1939)

Rama V*

29 years

Thumb Thumb Thumb
Thumb
Thumb
Issue 6.1
(1913)

Rama VI*

Thumb Thumb Thumb
Issue 6.2
(1929)

Rama VII*

Thumb Thumb
Issue 7
(1937, 1941, 1942, 1945)

9 years

Thumb Thumb Thumb Thumb Thumb
Issue 8
(1946)

4 years

Thumb Thumb Thumb Thumb
Issue 9
(1950)

22 years

Thumb Thumb Thumb Thumb Thumb
Issue 10
(1972)

5 years

Thumb Thumb
Issue 11
(1977)

5 years

Thumb Thumb Thumb Thumb
Issue 12
(1982)

5 years

Thumb Thumb
Issue 13
(1987, 2005, 2008, 2009)

31 years

Thumb Thumb Thumb
Issue 14
(2018)

7 years

Thumb Thumb Thumb
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Mint involved in producing Siamese and Thai coins

More information Name of the production facility, Alternative names ...
Mints[22]
Name of the production facility Alternative names Start End
Royal Thai Mint สำนักกษาปณ์    1860 present
China Banknote Printing and Minting Corporation 中国印钞造币总公司 2017 2017
Korea Minting and Security Printing Corporation 한국조폐공사 2017 present
South African Mint 2016 present
Mint of Baveria Bayerisches Münzkontor 2011 2016
Mint of Finland Suomen Rahapaja 1986 2017
Mint of Poland Mennica Polska 2015 2016
Mint of Paris Monnaie de Paris 2016 2017
Royal Canadian Mint Monnaie Royale Canadienne 1986 2007
State Mint and Polygraphic Institute (Italian Mint) Istituto Poligrafico e Zecca dello Stato 1989 1989
Mint of Japan 独立行政法人造幣局 1926 1937
Heaton and Sons (The Mint Birmingham Limited) 1875 1921
Royal Mint of Belgium La Monnaie Royale de Belgiquee

Koninklijke Munt van België

1908 1935
United States Mint of Philadelphia 1919 1919
Mint of Hamburg Hamburgische Münze 1887 1905
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Photduang coinage

Thumb
Example of the Spanish dollar which was marked with the Siamese government's emblem - marking that it is legal tender

Cowrie shells from the Mekong River had been used as currency for small amounts since the Sukhothai period. Before 1860, Thailand did not produce coins using modern methods. Instead, a so-called "bullet" coinage was used, consisting of bars of metal, thicker in the middle, bent round to form a complete circle on which identifying marks were stamped.[23][24] Denominations issued included 1128, 164, 132, 116, 18, 12, 1, 1+12, 2, 2+12, 4, 4+12, 8, 10, 20, 40 and 80 baht in silver and 132, 116, 18, 12, 1, 1+12, 2 and 4 baht in gold. One gold baht was generally worth 16 silver baht. Between 1858 and 1860, foreign trade coins were also stamped by the government for use in Thailand.

Sukhothai and Ayutthaya photduang

Photduang, a form of currency used during the Sukhothai period, was characterized by its longer legs, which created a larger and wider hole in the middle. These coins were primarily made of silver and featured a cut across the front of each leg. This cut served a dual purpose: it authenticated the money and allowed for the quality of the silver to be tested. Over time, as the Sukhothai Kingdom declined and became a vassal state of Ayutthaya—which was established as the capital in 1350—the design of photduang evolved. The coins became rounder with shorter legs, and the central hole, while still present, grew smaller. By the end of this era, the hole disappeared completely. The cuts on the legs also reduced in size and were eventually replaced by a small elliptical nick, known as "Met Kao San," on one side of the coin.[25]

Thonburi and Rattanakosin photduang

The Thonburi period (1767–1782) and the Rattanakosin period, beginning in 1782, adopted the photduang design from the late Ayutthaya period. The coins from these periods had no central hole, and the legs were even shorter. A key difference was that Thonburi photduang lacked the elliptical nick, whereas the Rattanakosin coins reintroduced this feature, similar to the Ayutthaya coins. Photduang from these later periods typically featured two stamped marks: the dynasty mark on top and the king's personal mark on the front part. The dynasty mark often symbolized the kingdom's ruling dynasty, while the king's personal mark represented the reigning monarch.[25]

Markings on the photduang

The markings on photduang coins varied across different periods. During the Sukhothai era, some coins bore no marks, while others had up to 11. This variation was because, at that time, individuals and merchants could produce their own money. However, from the Ayutthaya period onward, the production of photduang was monopolized by the government, making it easier to identify coins from each era. Ayutthaya photduang typically bore two marks: the dynasty mark, which could be a spoked wheel symbolizing the "Wheel of Law" from Buddhist teachings or the Chakra (Vishnu's weapon), represented by a pattern of 8 dots surrounding a central dot. The king's personal mark varied with each ruler and included symbols such as a conch shell, a Garuda bird (khrut), an elephant, and an anchor, each symbolizing different aspects of the king's reign or divine associations.[25]

Photduang timeline

Thai baht#Coin timelineThai baht#Thonburi and Rattanakosin photduangThai baht#Thonburi and Rattanakosin photduangThai baht#Thonburi and Rattanakosin photduangThai baht#Thonburi and Rattanakosin photduangThai baht#Thonburi and Rattanakosin photduangThai baht#Sukhothai and Ayutthaya photduangThai baht#Sukhothai and Ayutthaya photduang

[26] *continues in the coin section*

More information Photduang of the Thai tical (Rama III & Rama IV), Image ...
Photduang of the Thai tical (Rama III & Rama IV)[27]
Image Names Value Width
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Primary Secondary in silver
baht
in gold
baht
Thumb Bia
เบี้ย
16400 1102400 25 1.58 Calcium carbonate None 1238–1869
Thumb Half Phai
กึ่งไพ
At
อัฐ
1/64 1/1024 2 0.25 Silver State ensign of Rattanakosin 1824–1851
Thumb Phai
ไพ
1/32 1/512 4 0.5 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb 2 Phai
สองไพ
Half Fueang
กึ่งเฟื้อง
1/16 1/256 6 1 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Fueang
เฟื้อง
1/8 1/128 6.5 1.98 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Salueng
สลึง
1/4 1/64 9 3.7 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb 2 Salueng
สองสลึง
Half Baht
กึ่งบาท
1/2 1/32 11 7.6 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Baht
บาท
1 1/16 14.5 15.14 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Gold 2 Phai
สองไพทอง
Gold Half Fueang
กึ่งเฟื้องทอง
1 1/16 5 1 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb 2 Baht
สองบาท
Half Tamlueng
กึ่งตำลึง
2 1/8 17.5 30.30 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Gold Fueang
เฟื้องทอง
2 1/8 6 1.5 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb 4 Baht
สี่บาท
Tamlueng
ตำลึง
4 1/4 23.5 60.50 Silver State ensign of Rattanakosin
Castle
1824–1856
Thumb Gold Salueng
สลึงทอง
4 1/4 8 3.7 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb Gold 2 Salueng
สองสลึงทอง
Gold Half Baht
กึ่งบาททอง
8 1/2 9.5 7.56 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb Gold Baht
บาททอง
16 1 12 15.14 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb Gold 2 Baht
สองบาททอง
Gold Half Tamlueng
กึ่งตำลึงทอง
32 2 16 30.01 Gold State ensign of Rattanakosin
Phra Maha Mongkut seal
1851–1856
Thumb 40 Baht
สี่สิบบาท
Half Chang
กึ่งชั่ง
40 2.5 48 606.5 Silver State ensign of Rattanakosin
Phra Maha Mongkut seal
1860
Thumb 80 Baht
แปดสิบบาท
Chang
ชั่ง
80 5 59 1216 Silver State ensign of Rattanakosin
Phra Maha Mongkut seal
1859
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Predecimal coinage

Rama III (1824–1851) was the first king to consider the use of a flat coin. He did so not for the convenience of traders, but because he was disturbed that the creatures living in the cowrie shells were killed. When he learned of the use of flat copper coins in Singapore in 1835, he contacted a Scottish trader, who had two types of experimental coins struck in England. The king rejected both designs. The name of the country put on these first coins was Muang Thai, not Siam.[28][29]

In 1860, modern-style coins were introduced. These were silver 1 sik; 1 fueang; 1 and 2 salueng; 1, 2, and 4 baht; with the baht weighing 15.244 grams and the others weight-related. Tin 1 solot and 1 at followed in 1862, with gold 2+12, 4, and 8 baht introduced in 1863 and copper 2 and 4 at in 1865. Copper replaced tin in the 1 solot and 1 at in 1874, with copper 4 at introduced in 1876. The last gold coins were struck in 1895.

Coin timeline

Thai baht#Issue 14 - 2018Thai baht#Issue 13 - 2009Thai baht#Issue 13 - 1987, 1988, 2005, 2008Thai baht#Issue 12 - 1982Thai baht#Issue 11 - 1977Thai baht#Issue 10 - 1972Thai baht#Issue 9 - 1950Thai baht#Issue 8 - 1946Thai baht#Issue 7 - 1937, 1941, 1942, 1945Thai baht#Issue 6 - 1908, 1913, 1929, 1939Thai baht#Issue 5 - 1897 (transitional)Thai baht#Issue 4 - 1888Thai baht#Issue 3 - 1875Thai baht#Issue 2 - 1860Thai baht#Issue 1 - 1856 (transitional)Thai baht#Photduang timeline

Issue 1 - 1856 (transitional)

The first issue of coins were commissioned by Rama IV, though it was never brought into circulation. This was one of the first attempt to replace the bullet coins, but few were ever minted without making it into circulation.[30]

More information Issue 1 coins (Rama IV), Image ...
Issue 1 coins (Rama IV)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Name Coinage value Obverse Reverse
Thumb Thumb Fueang
เฟื้อง
1 fueang,
1/8 baht
15 1.8 Gold Phra Maha Mongkut seal กรุงเทพ (Krung Thep) 1856
Thumb Thumb Fueang
เฟื้อง
1 fueang,
1/8 baht
12.5 1.85 Silver Chakra (top), Phra Tao (middle)
Phra Maha Mongkut seal (bottom)
none 1856
Thumb Thumb Salueng
สลึง
1/16 tamlueng,
1/4 baht
16 3.8 Silver Chakra (top), Phra Tao (middle)
Phra Maha Mongkut seal (bottom)
none 1856
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Issue 2 - 1860

The first circulating issue of the Siamese coins. This marked the start of the move away from using photduang currency. Though in this era, the photduang were still legal tender. In this series, the lower denominations were made of silver, and the higher ones were made of gold. These higher denominations were given nicknames: pot dueng, pit, and tot. Pot dueng means thirty two, as in 1/32 of a chang. The other nickname was the chinkang or one Chinese tamlueng.[31] The pit means twenty, as in 1/20 of a chang, the other name is ekkang, or one thai tamlueng.[32] The tot means ten, as in 1/10 of a chang. The coin was also called thukkang, which means two tamlueng.[33] In the lower denominations materials such as tin, copper and brass are used, since these are quite low value.

According to the Thai Treasury, regarding the gold coins, they were minted during a period when large amounts of gold were entering Thailand. Inspired by the widespread use of gold coins in other countries, such as the gold coins of England, King Mongkut (Rama IV) ordered the production of gold coins for domestic use. These coins, with their higher value, facilitated trade as the silver coins in circulation at the time were of lower value. They were officially issued on October 29, 1863, and were withdrawn from use in 1908.[34]

This series of coins was produced using manually operated machinery that had been presented as a royal gift by Queen Victoria of England. Due to the limited production capacity of these machines, the coins could not be minted in sufficient quantities to meet the country's demand. Consequently, their use was discontinued. This coincided with the arrival of steam-powered machinery, which allowed for more efficient and larger-scale coin production.[35] It is worth noting that coins of the half-fuang denomination were not mentioned in official announcements.[36]

In 1866, These thin copper coins, in sik (half-fuang) and siao (quarter-fuang) denominations, were produced to replace their thicker counterparts, which were heavier and had the same value. The decision to issue lighter, thinner coins was made after an incident where King Mongkut (Rama IV) distributed the thicker coins during a charitable event, and recipients were injured with head wounds and bruises. His Majesty considered that the copper coins already bore stamped marks and inscriptions (indicating that 2 coins equaled 1 fuang and 4 coins equaled 1 fuang), making them trustworthy. Therefore, thinner and lighter coins would still serve their purpose effectively without causing harm.[37]

More information Issue 2 coins (Rama IV), Image ...
Issue 2 coins (Rama IV)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Name Coinage value Obverse Reverse
Thumb Thumb Solot
โสฬส
1/16 fueang,
1/128 baht
23 × 2 4 Tin Phra Maha Mongkut seal with no star State ensign of Siam
สิบ หก อัน เป็น เฟื้อง
1/16 F. 方 片 六 十
1862
Thumb Thumb At
อัฐ
1/8 fueang,
1/64 baht
29 × 2 7.2 Tin Phra Maha Mongkut seal with no star State ensign of Siam
แปด อัน เปน เฟื้อง
1/8 F. 方 片 捌
1862
Thumb Thumb Siao
เสี้ยว
1/4 fueang,
1/32 baht
22 × 3 7.55
3.55
Copperฺ
Brass
Phra Maha Mongkut seal with no star State ensign of Siam
สี่ อัน เปน เฟื้อง
1/4 F. 方 片 四
1865
Thumb Thumb Sik
ซีก
1/2 fueang,
1/16 baht
29 × 3 10~
7.61
Copper
Brass
Phra Maha Mongkut seal with no star State ensign of Siam
สอง อัน เปน เฟื้อง
1/2 F. 方 片 二
1865
Thumb Thumb Half Fueang
ครึ่งเฟื้อง
1/2 fueang,
1/16 baht
13 × 1 0.92 Silver Phra Maha Mongkut seal with no star State ensign of Siam with no star 1860
Thumb Thumb Fueang
เฟื้อง
1 fueang,
1/8 baht
16 × 1 1.84 Silver Phra Maha Mongkut seal with 1 star State ensign of Siam with 1 star 1860
Thumb Thumb Salueng
สลึง
1/16 tamlueng,
1/4 baht
22 × 1 3.7 Silver Phra Maha Mongkut seal with 2 stars State ensign of Siam with 2 stars 1860
Thumb Thumb Half Baht
ครึ่งบาท
1/8 tamlueng,
1/2 baht
27 × 1 7.46 Silver Phra Maha Mongkut seal with 4 stars State ensign of Siam with 4 stars 1860
Thumb Thumb Baht
บาท
1/4 tamlueng,
1 baht
31 × 1 15.45 Silver Phra Maha Mongkut seal with 8 stars State ensign of Siam with 8 stars 1860
Thumb Thumb Half Tamlueng
ครึ่งตำลึง
1/2 tamlueng,
2 baht
37 × 2.5 30 Silver Phra Maha Mongkut seal with 16 stars State ensign of Siam with 16 stars 1863
Thumb Thumb Pot Dueng
พัดดึงส์
5/8 tamlueng,
2.5 baht
16 × 0.8 1.83 Gold Phra Maha Mongkut seal State ensign of Siam 1863
Thumb Thumb Pit
พิศ
1 tamlueng,
4 baht
17 × 1 3.88 Gold Phra Maha Mongkut seal State ensign of Siam 1863
Thumb Thumb Tot
ทศ
2 tamlueng,
8 baht
22 × 1 7.42 Gold Phra Maha Mongkut seal State ensign of Siam 1863
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Issue 3 - 1875

The first series to depict king Rama V, the coins of this issue were made of copper, silver, and gold. Though gold was strangely only used for the 1 fueang denomination.[38] The new shield emblem was introduced in this issue. This shield was separated into three section. Drawing from western influences, symbols within these sections represented territories Siam was controlling. The tree-headed elephant represented Siamese territory, the bottom-left elephant represented Lan Xang, and the warangka represented Siamese Malaya.

Due to a malfunction in the minting machinery at the government mint, which prevented the production of circulating coinage, King Chulalongkorn ordered the design of this coin series and commissioned its production by a mint in Birmingham, England. This marked the first time that coins were minted abroad for circulation in Siam.[39] The copper coins in this issue were made in the same size as the coins of the United Kingdom, with the Solot being the same size as the Farthing, the Att being the same size as the Half-Penny, and the Siao being the same size as the Penny. The silver coins differ in size to the British counterpart due to the baht being pegged to a different unit of silver. The copper coin in this case were base metal and were not pegged to any standard metal, hence their size tend to differ more throughout history. These copper coins only represent a certain amount of silver.

These silver coins were minted when the Sathit Kuang machinery was put into use in 1889 at the Sathit Kuang Coin Mint, marking the beginning of a new coinage system. The year markings started to appear on the coins from R.S. 120 (1898) onwards.[40]

More information Issue 3 coins (Rama V), Image ...
Issue 3 coins (Rama V)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Name Coinage value Obverse Reverse
Thumb Thumb Solot
โสฬส
1/16 fueang,
1/128 baht
20 × 1 2.67 Copper กรุงสยาม (Kingdom of Siam)
Monogram of Rama V
รัชกาลที่ ๕ (5th Reign)
โสลด (Solot)
๑๖ (16)
อันเฟื้อง (parts fuang)
๑๒๓๖ (CS 1236)
1875
Thumb Thumb At
อัฐ
1/8 fueang,
1/64 baht
25 × 1 5.58 Copper กรุงสยาม (Kingdom of Siam)
Monogram of Rama V
รัชกาลที่ ๕ (5th Reign)
อัฐ (At)
(8)
อันเฟื้อง (parts fuang)
๑๒๓๖ (CS 1236)
1875
Thumb Thumb Siao
เสี้ยว
1/4 fueang,
1/32 baht
30.5 × 2 11.14 Copper กรุงสยาม (Kingdom of Siam)
Monogram of Rama V
รัชกาลที่ ๕ (5th Reign)
เสี้ยว (Siao)
(4)
อันเฟื้อง (parts fuang)
๑๒๓๖ (CS 1236)
1875
Thumb Thumb Sik
ซีก
1/2 fueang,
1/16 baht
38.5 × 2.5 22.57 Copper กรุงสยาม (Kingdom of Siam)
Monogram of Rama V
รัชกาลที่ ๕ (5th Reign)
สิ้ก (Sik)
(2)
อันเฟื้อง (parts fuang)
๑๒๓๘ (CS 1238)
1875
Thumb Thumb Fueang
เฟื้อง
1 fueang,
1/8 baht
16 × 5.0

16 × 0.9

1.87
1.95
Silver
Gold
สมเด็จพระปรมินทรมหาจุฬาลงกรณ์
(His Majesty King Chulalongkorn)
พระจุลจอมเกล้าเจ้าอยู่หัว
(King Chulalongkorn)
กรุงสยาม (Siam)
รัชกาลที่๕ (5th Reign)
เฟื้องหนึ่ง (1 fueang)
1875
Thumb Thumb Salueng
สลึง
1/16 tamlueng,
1/4 baht
20.5 × 1.0 3.75 Silver สมเด็จพระปรมินทรมหาจุฬาลงกรณ์
(His Majesty King Chulalongkorn)
พระจุลจอมเกล้าเจ้าอยู่หัว
(King Chulalongkorn)
กรุงสยาม (Siam)
รัชกาลที่๕ (5th Reign)
สลึงหนึ่ง (1 salueng)
1875
Thumb Thumb Baht
บาท
1/4 tamlueng,
1 baht
31 × 2.0 15.1 Silver สมเด็จพระปรมินทรมหาจุฬาลงกรณ์
(His Majesty King Chulalongkorn)
พระจุลจอมเกล้าเจ้าอยู่หัว
(King Chulalongkorn)
กรุงสยาม (Siam)
รัชกาลที่๕ (5th Reign)
บาทหนึ่ง (1 baht)
1875
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Issue 4 - 1888

This was a minor-issue, where the lesser denominations' designs were updated to incorporate the three-parted shield into the design. This copper coin was produced to replace previous versions and was minted in England, with additional production by the Royal Mint of Thailand.[41] In this issue, depending on where the coin was minted, the minting alignment was different. This means that in this specific series, the alignment will tell which mint the coin is minted at.[42] For example, during this series there were 4 mints which contributed in minting this issue: Royal Mint of Belgium, Bangkok Mint, Heaton and Sons (Burmingham Mint), and Hamburgische Mint. For the 1 Solot coin, the coin minted in the year R.S. 109 were medal aligned and was minted in the Birmingham Mint, and R.S. 118 coins were minted in Hamburg had coin alignement.[43]

Thumb
More information Issue 4 coins (Rama V), Image ...
Issue 4 coins (Rama V)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Name Coinage value Obverse Reverse
Thumb Thumb Solot
โสฬส
1/16 fueang,
1/128 baht
19 × 2 2.8 Copper จุฬาลงกรณ์ ป.ร.
(Chulalongkorn Rex)
พระจุลจอมเกล้าเจ้ากรุงสยาม
(King of Siam)
หนึ่งโสฬศ (1 solot)
๑๑๘ (RS 118)
1887
Thumb Thumb At
อัฐ
1/8 fueang,
1/64 baht
24 × 2 5.8 Copper จุฬาลงกรณ์ ป.ร.
(Chulalongkorn Rex)
พระจุลจอมเกล้าเจ้ากรุงสยาม
(King of Siam)
หนึ่งอัฐ (1 at)
๑๒๒ (RS 122)
1888
Thumb Thumb Siao
เสี้ยว
1/4 fueang,
1/32 baht
30 × 2 11.3 Copper จุฬาลงกรณ์ ป.ร.
(Chulalongkorn Rex)
พระจุลจอมเกล้าเจ้ากรุงสยาม
(King of Siam)
หนึ่งเซียว (1 siao)
๑๒๒ (RS 122)
1888
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Decimal coinage

The decimalization of the Thai baht came about at the end of the 19th century. The minister of treasury, Jayanta Mongkol, the Prince Mahisara Rajaharudaya, suggested to King Rama V, that decimalization would make counting easier and further modernize Siam. Initially, there would be one superunit, chang, and one subunit, at. with the baht being in the middle. In summary, 64 at = 1 baht = 1/80 chang. In reality, this was just a simplification of the old system, which was scrapped.[44] In which, during the period of 1902–1908, Siam went back to the old system. Though in comparison, at is used as the subunit in Laos, compared to the satang in the Thai baht. The second attempt came at the end of Rama V's reign, where it was more widely accepted and put into effective use.

In 1897, the first coins denominated in satang were introduced, cupronickel 2+12, 5, 10, and 20 satang. However, 1 solot, 1, and 2 at coins were struck until 1905 and 1 fueang coins were struck until 1910. In 1908, holed 1, 5, and 10 satang coins were introduced, with the 1 satang in bronze and the 5 and 10 satang in nickel. The 1 and 2 salueng were replaced by 25 and 50 satang coins in 1915. In 1937, holed, bronze 12 satang were issued.

In 1941, a series of silver coins was introduced in denominations of 5, 10, and 20 satang, due to a shortage of nickel caused by World War II. The next year, tin coins were introduced for 1, 5, and 10 satang, followed by 20 satang in 1945 and 25 and 50 satang in 1946. In 1950, aluminium bronze 5, 10, 25, and 50 satang were introduced whilst, in 1957, bronze 5 and 10 satang were issued, along with 1-baht coins struck in an unusual alloy of copper, nickel, silver and zinc. Several Thai coins were issued for many years without changing the date. These include the tin 1942 1 satang and the 1950 5 and 10 satang, struck until 1973, the tin 1946 25 satang struck until 1964, the tin 50 satang struck until 1957, and the aluminium bronze 1957 5, 10, 25, and 50 satang struck until the 1970s. Cupronickel 1-baht coins were introduced in 1962 and struck without date change until 1982.

In 1972, cupronickel 5-baht coins were introduced, switching to cupronickel-clad copper in 1977. Between 1986 and 1988, a new coinage was introduced, consisting of aluminium 1, 5 and 10 satang, aluminium bronze 25 and 50 satang, cupronickel 1 baht, cupronickel-clad copper 5 baht and bimetallic 10 baht. Cupronickel-clad steel 2 baht were introduced in 2005.

Issue 5 - 1897 (transitional)

The old monetary system of Siam was based on a binary system that proved challenging for accounting purposes. This system initially consisted of three main units of currency: Chang, Baht, and Att. Under this system, there were 64 Att to 1 Baht and 80 Baht to 1 Chang. Despite its widespread use, the system’s complexity made it difficult to manage and calculate.

Recognizing the inefficiencies, the Minister of Treasury proposed to King Rama V that Siam’s currency system should be decimalized. The proposal aimed to modernize the monetary system and align it with the decimal systems increasingly adopted by other countries at the time. King Rama V approved the transition to a decimal-based currency, which simplified accounting processes.

The transition to a decimal currency system faced numerous challenges even before the new coins were issued. Notably, the word "Anachak" (อาณาจักร) was initially misspelled as "อานาจักร," causing controversy. King Rama V intervened, insisting that the most accurate phrasing should be "Siam Ratcha-Anachak" (สยามราชอาณาจักร; Kingdom of Siam).

Despite the initial enthusiasm for the decimal system, the new coins struggled to gain popularity among the public. Many people were unfamiliar with the decimal system and preferred the traditional currency. Consequently, the new coins quickly faded from circulation, forcing the government to continue producing coins under the old system.

The production of coins from the old system persisted until RS 127 / BE 2451 / AD 1907. Ultimately, both pre-decimal coins and the early decimal coins were demonetized on May 17, RS 128 / BE 2452 / AD 1909. Citizens were given a grace period to exchange the demonetized coins for the new decimal currency, with the deadline set for May 16, RS 128 / BE 2452 / AD 1910.

This gradual shift is shown in the fact that coins after the transition often switched between three calendar systems, the CS (Chulasakarat) system, the RS (Rattanakosin Sok) system, the BE (Buddhist Era / Phutthasakarat) system.[45]

More information Issue 5 coins (Rama V), Image ...
Issue 5 coins (Rama V)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Name Coinage value Obverse Reverse
Thumb Thumb 2.5 satang 0.025 baht 16 × 1.0 2.06 Cupronickel สยามอานาจักร
(Kingdom of Siam)
ศก๑๑๖ (RS 116)
สองสตางค์ครึ่ง
(two and a half satang)
(2) ๑/๒ (1/2)
1897
Thumb Thumb 5 satang 0.05 baht 20 × 1.0 3.02 Cupronickel สยามอานาจักร
(Kingdom of Siam)
ศก๑๑๖ (RS 116)
ห้าสตางค์
(five satang)
(5)
1897
Thumb Thumb 10 satang 0.10 baht 22 × 1.0 4.00 Cupronickel สยามอานาจักร
(Kingdom of Siam)
ศก๑๑๖ (RS 116)
สิบสตางค์
(ten satang)
๑๐ (10)
1897
Thumb Thumb 20 satang 0.20 baht 25 × 1.5 6.57 Cupronickel สยามอานาจักร
(Kingdom of Siam)
ศก๑๑๖ (RS 116)
ยี่สิบสตางค์
(twenty satang)
๒๐ (20)
1897
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Issue 6 - 1908, 1913, 1929, 1939

These coins were all produced abroad, and they feature changes in year formatting and design differences over time. The coins were initially produced with the R.S. year system but transitioned to using the B.E. system from 1913 onwards.[46] The 1 Baht coins were replaced with banknotes starting in 1918 due to the high cost of silver. The 2 Salung and 1 Salung coins experienced changes in metal composition due to fluctuating silver prices during World War I, and these coins have slight design variations based on these changes.

During issue, there were also various debasements of the silver content of these coins. Initially, the composition was 80% silver and 20% copper. In 1918, during World War I, silver prices surged, leading to a change in the composition to 65% silver and 35% copper. In 1919, the silver percentage dropped further to 50% silver and 50% copper. After the war, in 1919, the composition returned to 65% silver and 35% copper.[47] In 1917, the price of silver rose and exceeded the face value of silver coins. The coins were then melted down and sold. The government solved this by changing the pure silver coin to alloy. Vajiravudh eventually forbade exports of Siamese coins. In 1918, the usage of 1-baht coins was nullified and 1-baht banknotes were introduced. Coins were recalled and kept as a national reserve.

Near the end of this issue of coins, the transition into decimal currency was completed. The Rama VII coin was produced in two denominations, 50 Satang and 25 Satang, and marked the transition from the old currency system of "สองสลึง" (two salung) and "หนึ่งสลึง" (one salung) to the new system using Satang as a unit of currency.[48] Though, people today still refer to these denomination using the old terminology.

More information Issue 6 coins (Rama V, VI, VII, VIII), Image ...
Issue 6 coins (Rama V, VI, VII, VIII)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 1 satang 22.5 × 1 5 Bronze-copper-zinc Chakra สยามรัฐ ๑ สตางค์
(Siamese State 1 satang)
1908
รัฐบารไทย ๑ สตางค์
(Thai Government 1 satang)
1939
Thumb Thumb 5 satang 17.5 × 1 2 Nickel Chakra สยามรัฐ ๕ สตางค์
(Siamese State 5 satang)
1908
Thumb Thumb 10 satang 20 × 1 3.5 Nickel Chakra สยามรัฐ ๑๐ สตางค์
(Siamese State 10 satang)
1908
Thumb
Thumb
50 satang 25 × 1 7.68 Silver สมเด็จพระปรมินทรมหาจุฬาลงกรณ์
(His Majesty King Chulalongkorn)
พระจุลจอมเกล้าเจ้าอยู่หัว
(King Chulalongkorn)
กรุงสยาม (Siam)
รัชกาลที่๕ (5th Reign)
๕๐ สตางค์ (50 satang)
1908
Thumb Thumb 1 baht 31 × 3 16 Silver จุฬาลงกรณ์ สยามินทร์
(Chulalongkorn, Lord of Siam)
สยามรัฐ ร.ศ.๑๒๗
(Siamese State RS 127)
หนึ่ง บาท (1 baht)
1908
Thumb Thumb 25 satang 20 × 1.3 3.75 Silver วชิราวุธ สยามินทร์
(Vajiravudh, Lord of Siam)
สยามรัฐ ๒๔๖๘
(Siamese State BE 2468)
หนึ่ง สลึง (1 salueng)
1913
Thumb Thumb 50 satang 25.3 × 1.3 7.5 Silver วชิราวุธ สยามินทร์
(Vajiravudh, Lord of Siam)
สยามรัฐ ๒๔๕๘
(Siamese State BE 2458)
สอง สลึง (2 salueng)
1913
Thumb Thumb 1 baht 30.5 × 1 15 Silver วชิราวุธ สยามินทร์
(Vajiravudh, Lord of Siam)
สยามรัฐ ๒๔๖๐
(Siamese State BE 2460)
หนึ่ง บาท (1 baht)
1913
Thumb Thumb 25 satang 20 × 1.3 3.75 Silver ประชาธิปก สยามินทร์
(Prajadipok, Lord of Siam)
สยามรัฐ ๒๔๗๒
(Siamese State BE 2472)
หนึ่ง สลึง (1 salueng)
1929
Thumb Thumb 50 satang 25.3 × 1.3 7.5 Silver ประชาธิปก สยามินทร์
(Prajadipok, Lord of Siam)
สยามรัฐ ๒๔๗๒
(Siamese State BE 2472)
สอง สลึง (2 salueng)
1929
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Issue 7 - 1937, 1941, 1942, 1945

This series of coins is distinctive as it lacks the royal insignia or the state seal, which were commonly featured in earlier designs. This series also contain a 20 satang denomination, meaning that there was a time where 25-satang and the 20-satang circulated at the same time.[49] The half-satang was introduced in 1937 to address the issue of low-value currency units in Thailand. The value of 1 Satang was considered too high for certain low-priced items, causing economic hardship for the poor. Previously, 1 Baht could be exchanged for 128 Solot, but after the switch to Satang, 1 Baht was only equivalent to 100 Satang. The introduction of this coin aimed to make it easier for ordinary people to purchase items without the burden of inflated prices. The coin was produced only once and was discontinued soon after. It was minted in Japan and first issued on July 12, 1937.[50]

In 1942, a bunch of denomination switched material due to the costs of World War 2, the 1-satang coin lost its hole in the middle and was downsized.[51]

More information Issue 7 coins (Rama VIII), Image ...
Issue 7 coins (Rama VIII)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 0.5 satang 19 × 1.3 1.8 Bronze Chakra สยามรัฐ ๑/๒ สตางค์
(Siamese State 1/2 satang)
1937
Thumb Thumb 1 satang 22.5 × 1.3 3.5 Bronze Lotus
พ.ศ.๒๔๘๔ (BE 2484)
๑ สต. (1 satang)
รัฐบาลไทย (Thai Government)
1941
15 × 2 1.5 Tin 1942
Thumb Thumb 5 satang 16.6 × 1.3 1.5 Silver Lotus
พ.ศ.๒๔๘๔ (BE 2484)
๕ สต. (5 satang)
รัฐบาลไทย (Thai Government)
1941
17.5 × 2 3 Tin 1942
Thumb Thumb 10 satang 19 × 1.3 2.5 Silver Lotus
พ.ศ.๒๔๘๔ (BE 2484)
๑๐ สต. (10 satang)
รัฐบาลไทย (Thai Government)
1941
20 × 2 5 Tin 1942
Thumb Thumb 20 satang 22 × 1.3 3 Silver Lotus
พ.ศ.๒๔๘๕ (BE 2485)
๑๐ สต. (20 satang)
รัฐบาลไทย (Thai Government)
1942
22 × 2 6 Tin 1945
Close

Issue 8 - 1946

This was the first series minted in the reign of King Ananda Mahidol (Rama VIII), and it marked the return of national symbols, such as the Garuda emblem, which had been used as the national seal since the Ayutthaya period. This emblem, created during the reign of King Chulalongkorn (Rama V), became the national seal to be used permanently, avoiding the need for a new one with each reign. There are two versions of this series minted in the same year, the young portrait and the teen portrait.[52]

More information Issue 8 coins (Rama VIII), Image ...
Issue 8 coins (Rama VIII)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 5 satang 15 × 1.3 1.3 Tin อานันทมหิดล (Ananda Mahidol)
รัชกาลที่ ๘ (8th Reign)
รัฐบาลไทย (Thai Government)
๕ สต. (5 satang)
พ.ศ.๒๔๘๙ (BE 2489)
1946
Thumb Thumb 10 satang 17.7 × 1.3 1.8 Tin อานันทมหิดล (Ananda Mahidol)
รัชกาลที่ ๘ (8th Reign)
รัฐบาลไทย (Thai Government)
๑๐ สต. (10 satang)
พ.ศ.๒๔๘๙ (BE 2489)
1946
Thumb Thumb 25 satang 21 × 1.5 2.8 Tin อานันทมหิดล (Ananda Mahidol)
รัชกาลที่ ๘ (8th Reign)
รัฐบาลไทย (Thai Government)
๒๕ สต. (25 satang)
พ.ศ.๒๔๘๙ (BE 2489)
1946
Thumb Thumb 50 satang 25.5 × 1.5 5 Tin อานันทมหิดล (Ananda Mahidol)
รัชกาลที่ ๘ (8th Reign)
รัฐบาลไทย (Thai Government)
๕๐ สต. (50 satang)
พ.ศ.๒๔๘๙ (BE 2489)
1946
Close

Issue 9 - 1950

More information Issue 9 coins (Rama IX), Image ...
Issue 9 coins (Rama IX)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 5 satang 15 × 1 1.25 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๕ สต. (5 satang)
พ.ศ.๒๕๐๐ (BE 2500)
1950
Tin 1950
Bronze 1957
Thumb Thumb 10 satang 17.5 × 1 1.75 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๑๐ สต. (10 satang)
พ.ศ.๒๕๐๐ (BE 2500)
1950
Tin 1950
Bronze 1957
Thumb Thumb 25 satang 20 × 1 2.5 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๒๕ สต. (25 satang)
พ.ศ.๒๕๐๐ (BE 2500)
1950
Thumb Thumb 50 satang 23 × 1.7 4.5 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๕๐ สต. (50 satang)
พ.ศ.๒๕๐๐ (BE 2500)
1950
Thumb Thumb 1 baht 27 × 1.8 7.15 Silver-cupronickel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
หนึ่ง บาท (1 baht)
พ.ศ.๒๕๐๕ (BE 2505)
1957
7.5 Cupronickel 1962
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Issue 10 - 1972

More information Issue 10 coins (Rama IX), Image ...
Issue 10 coins (Rama IX)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 1 baht 25 × 1.8 7 Cupronickel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๑ บาท (1 baht)
พ.ศ.๒๕๑๗ (BE 2517)
1972
Thumb Thumb 5 baht 28 × 2.0 9 Cupronickel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
รัฐบาลไทย (Thai Government)
๕ บาท (5 baht)
พ.ศ.๒๕๑๕ (BE 2515)
1972
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Issue 11 - 1977

More information Issue 11 coins (Rama IX), Image ...
Issue 11 coins (Rama IX)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 25 satang 20.5 × 1.2 2.8 Aluminium bronze ประเทศไทย (Thailand)
รัชกาลที่ ๙ (9th Reign)
๒๕ สตางค์ (25 satang)
พ.ศ.๒๕๒๑ (BE 2521)
1977
Thumb Thumb 50 satang 23 × 1.2 4.9 Aluminium bronze ประเทศไทย (Thailand)
รัชกาลที่ ๙ (9th Reign)
๕๐ สตางค์ (50 satang)
พ.ศ.๒๕๒๓ (BE 2523)
1977
Thumb Thumb 1 baht 25 × 1.8 7 Cupronickel ประเทศไทย (Thailand)
รัชกาลที่ ๙ (9th Reign)
๑ บาท (1 baht)
พ.ศ.๒๕๒๐ (BE 2520)
1977
Thumb Thumb 5 baht 30 × 2.3 12 Cupronickel-clad copper ประเทศไทย (Thailand)
รัชกาลที่ ๙ (9th Reign)
๕ บาท (5 baht)
พ.ศ.๒๕๒๒ (BE 2522)
1977
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Issue 12 - 1982

More information Issue 12 coins (Rama IX), Image ...
Issue 12 coins (Rama IX)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 1 baht 25 × 1.8 7 Cupronickel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๑ บาท (1 baht)
พ.ศ.๒๕๒๕ (BE 2525)
1982
Thumb Thumb 5 baht 30 × 2.3 12 Cupronickel-clad copper ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๕ บาท (5 baht)
พ.ศ.๒๕๒๕ (BE 2525)
1982
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Issue 13 - 1987, 1988, 2005, 2008

More information Issue 13 coins (Rama IX), Image ...
Issue 13 coins (Rama IX)
Image Value Dimensions
(mm)
Weight
(g)
Composition Inscription, description Date of issue
Obverse Reverse Obverse Reverse
Thumb Thumb 25 satang 16 × 1.35 1.9 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๒๕ สตางค์ 25 (25 satang)
พ.ศ.๒๕๔๗ (BE 2547)
1987
Copperplated steel 2008
Thumb Thumb 50 satang 18 × 1.35 2.4 Aluminium bronze ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๕๐ สตางค์ 50 (50 satang)
พ.ศ.๒๕๓๘ (BE 2538)
1987
Copperplated steel 2008
Thumb Thumb 1 baht 20 × 1.5 3.4 Cupronickel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๑ บาท (1 baht)
พ.ศ.๒๕๔๒ (BE 2542)
1987
3 Nickelplated steel 2008
Thumb Thumb 2 baht 21.75 × 1.8 4.4 Nickelplated steel ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๒ บาท 2 (2 baht)
พ.ศ.๒๕๔๙ (BE 2549)
2005
21.75 × 1.5 4 Aluminium bronze ประเทศไทย (Thailand)
๒ บาท 2 (2 baht)
พ.ศ.๒๕๕๖ (BE 2556)
2008
Thumb Thumb 5 baht 24 × 2.2 7.5 Cupronickel-clad copper ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย (Thailand)
๕ บาท (5 baht)
พ.ศ.๒๕๓๐ (BE 2530)
1987
ประเทศไทย(Thailand)
๕ บาท (5 baht)
พ.ศ.๒๕๓๓ (BE 2533)
1988
24 × 1.75 6 2008
Thumb Thumb 10 baht 26 × 2.15 8.5 Aluminium bronze (center)
Cupronickel (ring)
ภูมิพลอดุลยเดช (Bhumibol Adulyadej)
รัชกาลที่ ๙ (9th Reign)
ประเทศไทย(Thailand)
๑๐ บาท 10 (10 baht)
พ.ศ.๒๕๔๕ (BE 2545)
1988
2008
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Current coinage

The current coin series is the 14th issue.

In 2008, in the 13th issue, the Ministry of Finance and the Royal Thai Mint announced the 2009 coin series, which included changes in materials to reduce production costs as well as an update of the image on the obverse to a more recent portrait of the king. The two-baht coin, confusingly similar in color and size to the one-baht coin, was changed from nickel-clad low-carbon steel to aluminium bronze. New two-baht coin was the first of the new series released on 3 February 2009, followed by the satang coins in April, a five-baht coin in May, a ten-baht coin in June, and a one-baht coin in July 2009.

In 2018, the Royal Thai Mint and the Ministry of Finance issued a new series of general circulation coins, featuring the same standard specifications, but feature a portrait of its current king, Vajiralongkorn.

Issue 13 - 2009

More information Issue 13 coins (Rama IX), Value ...
Issue 13 coins (Rama IX)
Value Technical parameters Description Date of first minting
Diameter Mass Composition Obverse Reverse
1 satang1 15 mm 0.5 g 97.5% Al, 2.5% Mg King Bhumibol Adulyadej Wat Phra That Hariphunchai, Lamphun 1987
99% Aluminium 2008
5 satang1 16 mm 0.6 g 97.5% Al, 2.5% Mg King Bhumibol Adulyadej Wat Phra Pathom Chedi, Nakhon Pathom 1987
16.5 mm 99% Aluminium 2008
10 satang1 17.5 mm 0.8 g 97.5% Al, 2.5% Mg King Bhumibol Adulyadej Wat Phra That Choeng Chum, Sakon Nakhon 1987
99% Aluminium 2008
25 satang 16 mm 1.9 g Aluminium bronze King Bhumibol Adulyadej Wat Phra Mahathat, Nakhon Si Thammarat 1987
16 mm 1.9 g Copperplated steel King Bhumibol Adulyadej Wat Phra Mahathat, Nakhon Si Thammarat 2008
50 satang 18 mm 2.4 g Aluminium bronze King Bhumibol Adulyadej Wat Phra That Doi Suthep, Chiang Mai 1987
18 mm 2.4 g Copperplated steel King Bhumibol Adulyadej Wat Phra That Doi Suthep, Chiang Mai 2008
1 baht 20 mm 3.4 g Cupronickel (1987–2008) King Bhumibol Adulyadej Wat Phra Kaew, Bangkok 1987
3 g Nickelplated steel (2008–present) 2008
2 baht 21.75 mm 4.4 g Nickelplated low-carbon steel King Bhumibol Adulyadej Wat Saket, Bangkok 2005
21.75 mm 4 g Aluminium bronze King Bhumibol Adulyadej Wat Saket, Bangkok 2008
5 baht 24 mm 7.5 g Cupronickel-clad copper King Bhumibol Adulyadej Wat Benchamabophit, Bangkok 1988
6 g 2008
10 baht 26 mm 8.5 g Center plug: Aluminium bronze
Outer ring: Cupronickel
King Bhumibol Adulyadej Wat Arun, Bangkok 1988
2008
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Issue 14 - 2018

More information Issue 14 coins (Rama X), Image ...
Issue 14 coins (Rama X)
Image Value Composition Description Date of first minting
Obverse Reverse Obverse Reverse
1 satang Aluminum King Vajiralongkorn Monogram of Vajiralongkorn 2018
5 satang Aluminum King Vajiralongkorn Monogram of Vajiralongkorn 2018
10 satang Aluminum King Vajiralongkorn Monogram of Vajiralongkorn 2018
25 satang Copperplated steel King Vajiralongkorn Monogram of Vajiralongkorn 2018
50 satang Copperplated steel King Vajiralongkorn Monogram of Vajiralongkorn 2018
1 baht Nickelplated steel King Vajiralongkorn Monogram of Vajiralongkorn 2018
2 baht Aluminum bronze King Vajiralongkorn Monogram of Vajiralongkorn 2018
5 baht Cupronickel-clad copper King Vajiralongkorn Monogram of Vajiralongkorn 2018
10 baht Center plug: Aluminium bronze
Outer ring: Cupronickel
King Vajiralongkorn Monogram of Vajiralongkorn 2018
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Remarks

  1. The 1, 5 and 10 satang are used only internally between banks and are not in circulation.[53]
  2. Older coins, some of which are still in circulation, had only Thai numerals, but newer designs also have Arabic numerals.
  3. The standard-issue 10-baht coin has, at the 12 o'clock position on the reverse, raised dots corresponding to Braille cell dot 1 and dots 2-4-5, which correspond to the number 10.
  4. 10-baht coins are very similar to 2-euro coins in size, shape and weight, and are likewise bi-metallic, although they are worth only 25 eurocents. Vending machines not equipped with up-to-date coin detectors might therefore accept them as €2 coins or old Italian 500 lira coins as well.[54]
  5. Many commemorative 1-, 2-, 5- and 10-baht coins have been made for special events. There also are 20-, 50-, 100-baht base metal commemorative coins and higher-denomination precious metal coins as well.[which?]

In February 2010 the Treasury Department of Thailand stated that it has been planning a new circulation 20-baht coin.[55]

Monarch's profile

Banknotes

Summarize
Perspective

In 1851, the government issued notes for 18, 14, 38, 12 and 1 tical, followed by 3, 4, 6 and 10 tamlueng in 1853. After 1857, notes for 20 and 40 ticals were issued, also bearing their values in Straits dollars and Indian rupees. Undated notes were also issued before 1868 for 5, 7, 8, 12 and 15 tamlueng, and 1 chang. One at notes were issued in 1874.

In 1892, the treasury issued notes for 1, 5, 10, 40, 80, 100, 400 and 800 ticals, called "baht" in the Thai text.

On 10 September 1902, the government introduced notes which were printed by Thomas De La Rue & Company Limited, England, during the reigns of Kings Rama V and Rama VI, denominated 5, 10, 20, 100 and 1000 ticals, still called baht in the Thai text — each denomination having many types,[56] with 1 and 50 tical notes following in 1918. In 1925, notes were issued in denominations of 1, 5, 10, 20, 100 and 1,000 baht with the denomination in both Arabic and Thai numerals without English text;[57] English speakers continued to refer to these as "ticals".[58]

On 27 July 2010, the Bank of Thailand announced that the 16th-series banknotes would enter circulation in December 2010.[59][60] On 9 August 2012, the Bank of Thailand issued a new denomination banknote, 80 baht, to commemorate queen Sirikit's 80th birthday.[61] It was the first Thai banknote that featured Crane's MOTION security thread.

In 2017, the Bank of Thailand announced a new family of banknotes in remembrance of the late King Bhumibol Adulyadej (Rama IX). The notes are the same size and dimensions as the "Series 16" banknotes, with the front designs as before, but the back designs featuring images of the king's life in infancy, adolescence and maturity. The new family of banknotes were issued on September 20.[62]

In 2018, the Bank of Thailand announced a new family of banknotes featuring a portrait of the current King Vajiralongkorn (Rama X). The main colors and dimensions of the notes are the same as before, with the back designs featuring images of the Kings of Thailand from past to present. The 20, 50 and 100 baht banknotes were issued on Chakri Memorial Day, April 6, 2018. The final two denominations, 500 and 1,000 baht were issued on the anniversary of the birth of King Maha Vajiralongkorn, July 28, 2018.[63]

Timeline

Thai baht#Series 17Thai baht#Series 16Thai baht#Series 16Thai baht#Series 15Thai baht#Series 14Thai baht#Series 12 and 13Thai baht#Series 12 and 13Thai baht#Series 11Thai baht#Series 10Thai baht#Series 9Thai baht#Series 9Thai baht#Series 8Thai baht#Series 7Thai baht#Series 6Thai baht#Series 5Thai baht#Series 4 Type 2Thai baht#Series 4 Type 1Thai baht#Series 3 Type 2Thai baht#Series 3 Type 1Thai baht#Series 2Thai baht#Series 1Thai baht#Banque de L'Indo-Chine banknotesThai baht#Chartered Bank of India, Australia, and China banknotesThai baht#Hong Kong and Shanghai Banking Corporation (HSBC) banknotesThai baht#Royal Treasury banknotesThai baht#1851–1868, Rama IV era banknotesThai baht#1851–1868, Rama IV era banknotes

Predecimal banknotes

The characteristic of the banknotes of this era was that there were no series issued at the same time, rather they were issued sporadically and had multiple banks producing their own banknotes.

1851–1868, Rama IV era banknotes

More information Image, Value ...
Image Value Written text Value in baht Issuing body Date of issue
Thumb 1 fueang เฟื้องหนึ่ง
方壹
Octava pars ticalis
One eights of Tical
1/8 Royal Printing Works, Royal Palace of Siam 1853
Thumb 1 salueng สลึงหนึ่ง
銭壹
Quartia pars ticalis
One quarter of Tical
1/4 Royal Printing Works, Royal Palace of Siam 1853
Thumb
1 salueng 1 fueang สลึงเฟื้อง
方銭壹
Tres octava partes ticalis
Three eights of Tical
3/8 Royal Printing Works, Royal Palace of Siam 1853
Thumb 2 salueng สองสลึง
銭貳
Media pars ticalis
One half of Tical
1/2 Royal Printing Works, Royal Palace of Siam 1853
Thumb 2 salueng 1 fueang สองสลึงเฟื้อง
方銭貳
Quinque octava partes ticalis
Five eights of Tical
5/8 Royal Printing Works, Royal Palace of Siam 1853
Thumb 3 salueng สามสลึง
銭參
Tres partes ticalis
Three quarter of Tical
3/4 Royal Printing Works, Royal Palace of Siam 1853
Thumb 3 salueng 1 fueang สามสลึงเฟื้อง
方銭參
Septem octava partes ticalis
Seven eights of Tical
7/8 Royal Printing Works, Royal Palace of Siam 1853
Thumb 1 baht บาทหนึ่ง
圓壹
Unus ticalis
One Tical
1 Royal Printing Works, Royal Palace of Siam 1853
Thumb 2 tamlueng พระราชทานเงินตรา สองตำงลึง 8 Royal Printing Works, Royal Palace of Siam 1856
Thumb 3 tamlueng พระราชทานเงินตรา สามตำงลึง 12 Royal Printing Works, Royal Palace of Siam 1853; 1856
Thumb 4 tamlueng พระราชทานเงินตรา สี่ตำงลึง 16 Royal Printing Works, Royal Palace of Siam 1853; 1856
Thumb 5 tamlueng พระราชทานเงินตรา ห้าตำงลึง 20 Royal Printing Works, Royal Palace of Siam 1853; 1856
Thumb 6 tamlueng พระราชทานเงินตรา หกตำงลึง 24 Royal Printing Works, Royal Palace of Siam 1856
Thumb 7 tamlueng พระราชทานเงินตรา เจ็ดตำงลึง 28 Royal Printing Works, Royal Palace of Siam 1856
Thumb 8 tamlueng พระราชทานเงินตรา แปดตำงลึง 32 Royal Printing Works, Royal Palace of Siam 1856
Thumb 10 tamlueng พระราชทานเงินตรา สิบตำงลึง 40 Royal Printing Works, Royal Palace of Siam 1853; 1856
Thumb 12 tamlueng พระราชทานเงินตรา สิบสองตำงลึง 48 Royal Printing Works, Royal Palace of Siam 1856
Thumb 15 tamlueng พระราชทานเงินตรา สิบห้าตำงลึง 60 Royal Printing Works, Royal Palace of Siam 1856
Thumb 1 chang พระราชทานเงินตรา ชั่งหนึ่ง 80 Royal Printing Works, Royal Palace of Siam 1853; 1856
Thumb 1 chang 5 tamlueng พระราชทานเงินตรา ชั่งห้าตำงลึง 100 Royal Printing Works, Royal Palace of Siam 1856
Thumb 1 chang 10 tamlueng พระราชทานเงินตรา ชั่งสิบตำงลึง 140 Royal Printing Works, Royal Palace of Siam 1856
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1868–1902, Rama V era banknotes

Royal Treasury banknotes
More information Image, Value ...
Image Value Date of issue
Thumb 1 at 1874
Thumb 1 tical 1892
Thumb 5 tical
Thumb 10 tical
Thumb 40 tical
Thumb 80 tical
Thumb 100 tical
Thumb 400 tical
Thumb 800 tical
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Hong Kong and Shanghai Banking Corporation (HSBC) banknotes
More information Image, Value ...
Image Value Date of issue
Thumb 1 tical 1889
Thumb 5 tical
Thumb 10 tical
Thumb 40 tical
Thumb 80 tical
Thumb 100 tical
Thumb 400 tical
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Chartered Bank of India, Australia, and China banknotes
More information Image, Value ...
Image Value Date of issue
Thumb 5 tical 1984
Thumb 10 tical
Thumb 40 tical
Thumb 80 tical
Thumb 100 tical
Thumb 400 tical
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Banque de L'Indo-Chine banknotes
More information Image, Value ...
Image Value Date of issue
Thumb 5 tical 1986
Thumb 20 tical
Thumb 80 tical
Thumb 100 tical
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Decimal banknotes

1902–1925 (Series 1), Rama V and Rama VI era

Series 1

Series 1 was chosen due to the series which precedes this were non-decimal. Series 1 banknotes was the first series to be produced by Thomas De La Rue & Company Limited. In 1900, Charles James Rivett Carnac, a Royal Treasury Ministry advisor proposed that the Siamese baht followed the issuances of banknotes followed the British standard. The banknote department was established quickly thereafter. The main characteristic of this series was that the notes were one-sided and multilingual, containing Chinese, Malay (in Jawi script), and Latin scripts.[64] It was also the last series to use the term "tical" to refer to the Thai baht and the largest in term of size of the circulated notes.

More information Series 1 banknotes (Rama V, VI) issued for 26 years, Value ...
Series 1 banknotes (Rama V, VI) issued for 26 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 tical165 × 105 mmCyan none blank1918–1925
5 ticals165 × 105 mmGrey none blank1902–1925
10 ticals205 × 126 mmBrown none blank1902–1925
20 ticals205 × 126 mmGreen none blank1902–1925
50 ticals165 × 105 mmGrey none blank1918–1925
100 ticals205 × 126 mmGrey none blank1903–1928
1000 ticals205 × 126 mmRed none blank1902–1928
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1925–1935 (Series 2 to Series 3 Type 1), Rama VII era

Series 2

Series 2 banknotes were produced by Thomas De La Rue & Company Limited.

More information Series 2 banknotes (Rama VII) issued for 9 years, Value ...
Series 2 banknotes (Rama VII) issued for 9 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht135 × 75 mmBlue and yellow none Royal Ploughing Ceremony1925–1934
5 baht155 × 85 mmGreen and grey none Royal Ploughing Ceremony1925–1934
10 baht175 × 95 mmRed none Royal Ploughing Ceremony1925-1934
20 baht175 × 95 mmGreen none Royal Ploughing Ceremony1925–1934
100 baht175 × 95 mmBlue and green none Royal Ploughing Ceremony1928–1934
1000 baht195 × 105 mmRed none Royal Ploughing Ceremony1928–1934
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Series 3 Type 1

Series 3 type 1 banknotes were produced by Thomas De La Rue & Company Limited. This series was actually delayed due to the Siamese revolution to abolish the absolute monarchy and transform it into a constitutional monarchy. The issuance was supposed to happen in the early 1930s.

More information Series 3 Type 1 banknotes (Rama VII) issued for 1 years, Value ...
Series 3 Type 1 banknotes (Rama VII) issued for 1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht135 × 75 mmGreen King Prajadhipok and Suphannahongse Royal Barge Phra Samut Chedi Temple1934–1935
5 baht155 × 85 mmGreen and grey King Prajadhipok and Temple of the Emerald Buddha Phra Samut Chedi Temple1934–1935
10 baht175 × 95 mmBrown King Prajadhipok and a scene of the Mae Ping River Phra Samut Chedi Temple1934–1935
20 baht175 × 95 mmGreen King Prajadhipok and a scene of a riverside community Phra Samut Chedi Temple1934–1935
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1935–1948 (Series 3 Type 2 to Series 8), Rama VIII era

Series 3 Type 2

Series 3 type 2 banknotes were produced by Thomas De La Rue & Company Limited. It was the first series to hold King Rama VIII's portrait, which replaced King Rama VII's portrait in the type 1.

More information Series 3 Type 2 banknotes (Rama VIII) issued for 2 years, Value ...
Series 3 Type 2 banknotes (Rama VIII) issued for 2 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht135 × 75 mmGreen Young King Ananda Mahidol and Suphannahongse Royal Barge Phra Samut Chedi Temple1935–1937
5 baht155 × 85 mmGreen and grey Young King Ananda Mahidol and Temple of the Emerald Buddha Phra Samut Chedi Temple1935–1937
10 baht175 × 95 mmBrown Young King Ananda Mahidol and a scene of the Mae Ping River Phra Samut Chedi Temple1935–1937
20 baht175 × 95 mmGreen Young King Ananda Mahidol and a scene of a riverside community Phra Samut Chedi Temple1935–1937
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Series 4 Type 1

Series 4 type 1 banknotes were produced by Thomas De La Rue & Company Limited.

More information Series 4 Type 1 banknotes (Rama VIII) issued for 5 years, Value ...
Series 4 Type 1 banknotes (Rama VIII) issued for 5 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht125 × 65 mmGreen Young King Ananda Mahidol and Phra Samut Chedi Ananta Samakhom Throne Hall1937–1942
5 baht135 × 76 mmGreen and grey Young King Ananda Mahidol and Phra Pathom Chedi Ananta Samakhom Throne Hall1937–1942
10 baht145 × 87 mmBrown Young King Ananda Mahidol and Mahakarn Fortress Ananta Samakhom Throne Hall1937–1942
20 baht145 × 87 mmGreen Young King Ananda Mahidol and Golden Mountain Stupa Ananta Samakhom Throne Hall1937–1942
1000 baht195 × 100 mmRed Young King Ananda Mahidol and a Dusidabhirom Pavilion Ananta Samakhom Throne Hall1937–1942
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Series 4 Type 2

Series 4 type 2 banknotes were produced by Royal Thai Survey Department and the Naval Hydrographic Department. During World War II, Thailand was allied with the Empire of Japan. This meant that the government of Thailand could not order banknotes from Thomas De La Rue & Company Limited.

More information Series Type II banknotes (Rama VIII) issued for <1 years, Value ...
Series Type II banknotes (Rama VIII) issued for <1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht125 × 65 mmGreen Young King Ananda Mahidol and Phra Samut Chedi Ananta Samakhom Throne Hall1942
10 baht146 × 86 mmBrown Young King Ananda Mahidol and Mahakarn Fortress Ananta Samakhom Throne Hall1942
20 baht146 × 86 mmGreen Young King Ananda Mahidol and Grand Palace Ananta Samakhom Throne Hall1942
100 baht125 × 65 mmCyan Young King Ananda Mahidol and a Wat Arun Ananta Samakhom Throne Hall1942
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Series 5

Series 5 banknotes were produced by Notes Printing Works of Japan.

More information Series 5 banknotes (Rama VIII) issued for 3 years, Value ...
Series 5 banknotes (Rama VIII) issued for 3 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
50 satang117 × 63 mmGreen Young King Ananda Mahidol Grand Palace1942–1945
1 baht125 × 65 mmGrey Young King Ananda Mahidol and Pumin Temple Grand Palace1942–1945
5 baht135 × 75 mmGreen Young King Ananda Mahidol and Wat Benchamabophit Dusitwanaram Grand Palace1942–1945
10 baht145 × 85 mmGreen Young King Ananda Mahidol and Wat Pho Grand Palace1942-1945
20 baht155 × 90 mmGreen Young King Ananda Mahidol and Aisawan Tipaya-ast Pavilion Grand Palace1942–1945
100 baht175 × 100 mmRed Young King Ananda Mahidol and Wat Arun Grand Palace1942–1945
1000 baht175 × 100 mmGreen Young King Ananda Mahidol and Grand Palace Grand Palace1942–1945
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Series 6

Series 6 banknotes were produced by Royal Thai Survey Department.

More information Series 6 banknotes (Rama VIII) issued for <1 years, Value ...
Series 6 banknotes (Rama VIII) issued for <1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
20 baht147 × 87 mmGreen Young King Ananda Mahidol and Dusidapirom Pavilion Ananta Samakhom Throne Hall1945
100 baht147 × 87 mmGreen Young King Ananda Mahidol and Wat Arun Ananta Samakhom Throne Hall1945
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Series 7

Series 7 banknotes relied on private printing under the supervision of the Bank of Thailand. According to the Bank of Thailand, the quality of this series was barely satisfactory.

More information Series 7 banknotes (Rama VIII) issued for <1 years, Value ...
Series 7 banknotes (Rama VIII) issued for <1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht104 × 54 mmCyan King Ananda Mahidol and Phra Samut Chedi Ananta Samakhom Throne Hall1945
5 baht135 × 76 mmPurple King Ananda Mahidol and Phra Patom Chedi Ananta Samakhom Throne Hall1945
10 baht135 × 76 mmGreen King Ananda Mahidol and Mahakarn Fortress Ananta Samakhom Throne Hall1945
50 baht104 × 54 mmRed King Ananda Mahidol and Wat Benchamabophit Dusitwanaram Ananta Samakhom Throne Hall1945
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Special series

The special series were banknotes that were issued during World War II, each at different times.

More information Special series banknotes (Rama VIII) issued for <1 years, Value ...
Special series banknotes (Rama VIII) issued for <1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
50 satang (overprint)145 × 85 mmGrey Young King Ananda Mahidol and Wat Pho Grand Palace1946
50 satang (Kong Tek Note)125 × 65 mmGrey and yellow none Ananta Samakhom Throne Hall1946
1 baht (Kong Tek Note)117 × 63 mmGrey and eed King Ananda Mahidol and a 16-pointed star symbol Ananta Samakhom Throne Hall1942
1 baht (Invasion Note)114 × 73 mmGrey none none1946
1000 baht104 × 54 mmRed King Ananda Mahidol and Phra Prang Sam Yod Ananta Samakhom Throne Hall1943
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Series 8

At the end of World War II, Thomas De La Rue & Company Limited's printing house suffered damage from German bombing, thus the Royal Thai Government turned to the United States government to produce the series 8. The Tudor Press Company produced this series.

More information Series 8 banknotes (Rama VIII) issued for 3 years, Value ...
Series 8 banknotes (Rama VIII) issued for 3 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
1 baht110 × 66 mmGreen King Ananda Mahidol and Phra Patom Chedi The Constitution of Siam1945–1948
5 baht110 × 66 mmBlue King Ananda Mahidol and Phra Patom Chedi The Constitution of Siam1945–1948
10 baht110 × 66 mmBrown King Ananda Mahidol and Phra Patom Chedi The Constitution of Siam1945–1948
20 baht156 × 90 mmViolet King Ananda Mahidol and Phra Patom Chedi The Constitution of Siam1945–1948
100 baht156 × 90 mmBrown and cyan King Ananda Mahidol and Phra Patom Chedi The Constitution of Siam1945–1948
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1948–2003 (Series 9 to Series 13), early Rama IX era

These banknotes series are not yet demonetized and hence still legal tender, though they are never seen in circulation anymore.

These banknotes images are allowed under a strict copyright infringement exemption under the Chapter 1: Copyright, Part 6: Exceptions to Infringement of Copyright, Clause 7 of Copyright Act B.E. 2537 (1994) Amended by Copyright Act (NO. 2) B.E. 2558 (2015), and Copyright Act (NO.3) B.E. 2558 (2015) and Copyright Act (NO.4) B.E. 2561 (2018): reproduction, adaptation in part of a work or abridgement or making a summary by a teacher or an educational institution so as to distribute or sell to students in a class or in an educational institution, provided that the act is not for profit.[65]

So as to serve as an educational material, only one side is shown and any series beyond series 13 is omitted.

Series 9
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Series 9 banknote portrait difference, young portrait (left) and new portrait (right)

Series 9 banknotes were produced by Thomas De La Rue & Company Limited. There are two variations within this series, the young, and new portrait. According to the Bank of Thailand, the color schemes of this series established the denominations' colors for all of the following series due to the series circulating for 20 years.[66]

More information Series 9 banknotes (Rama IX) issued for 23 years, Value ...
Series 9 banknotes (Rama IX) issued for 23 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
50 satang115 × 63 mmGreen The Constitution of Thailand Phra Samut Chedi1948–1969
1 baht126 × 66 mmGreen King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces, and Wat Pho Ananta Samakhom Throne Hall1948-1955; 1955–1969
5 baht136 × 77 mmGreen and Grey King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces, and Phra Pathomma Chedi Ananta Samakhom Throne Hall1948–1955; 1955–1969
10 baht146 × 86 mmBrown King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces, and Pharakarn Fortress Ananta Samakhom Throne Hall1948–1953; 1953–1969
20 baht146 × 86 mmGreen King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces, and Grand Palace Ananta Samakhom Throne Hall1948–1955; 1955–1971
100 baht145 × 86 mmRed King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces, and Wat Arun Ananta Samakhom Throne Hall1948–1955; 1955-1968
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Series 10

Series 10 banknotes were produced by Thomas De La Rue & Company Limited. Due to heavy counterfeiting, series 10 was issued in series 9's stead.[67] The 100-baht note is the only denomination issued in this series.

More information Series 10 banknotes (Rama IX) issued for <1 years, Value ...
Series 10 banknotes (Rama IX) issued for <1 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
100 baht145 × 86 mmRed King Bhumibol Adulyadej in uniform Royal barge Suphannahong1968–1969
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Series 11

In this series, the 500-baht note was introduced for the first time ever. This coincided with the Bank of Thailand fully converting to an in-house production.[68] As a consequence, the 1-baht note's production was cancelled.

More information Series 11 banknotes (Rama IX) issued for 13 years, Value ...
Series 11 banknotes (Rama IX) issued for 13 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
5 baht130 × 67.5 mmViolet King Bhumibol Adulyadej in full regalia Arphonphimoke Prasat Pavilion1969–1978
10 baht135 × 70 mmBrown King Bhumibol Adulyadej in full regalia Wat Benchamabophit1969–1978
20 baht140 × 72 mmGreen King Bhumibol Adulyadej in full regalia Royal barge Anantanakkharat1971–1978
100 baht150 × 77 mmRed King Bhumibol Adulyadej in full regalia Wat Phra Si Rattana Satsadaram1969–1978
500 baht 160 × 80 mm Purple King Bhumibol Adulyadej in full regalia Phra Prang Sam Yod 1975–1988
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Series 12 and 13

Series 12 and 13 aimed to glorify past Thai monarchs, the Bank of Thailand dubbed this as "The Great Series." The 5-baht note's production was cancelled. The 50-baht and 500-baht notes are part of series 13 and were issued to commemorate the bicentennial celebration of Bangkok in 1982, though their production had to be delayed for the new printing press to be installed.[69]

More information Series 12 & 13 banknotes (Rama IX) issued for 25 years, Value ...
Series 12 & 13 banknotes (Rama IX) issued for 25 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
10 baht132 × 69 mmBrown King Bhumibol Adulyadej in uniform Equestrian statue of King Chulalongkorn1978–2003
20 baht139 × 72 mmGreen King Bhumibol Adulyadej in uniform King Taksin's statue at Chantaburi1978–2003
50 baht144 × 72 mmBlue King Bhumibol Adulyadej in full regalia Ananta Samakhom Throne Hall, the coronation of King Prajadhipok (Rama VII)1985–1996
50 baht (polymer)144 × 72 mmBlue and yellow King Bhumibol Adulyadej in full regalia Ananta Samakhom Throne Hall, the coronation of King Prajadhipok (Rama VII)1996–1997
100 baht154 × 80 mmRed King Bhumibol Adulyadej in uniform King Naresuan the Great atop his war elephant1978–1994
500 baht160 × 80 mmPurple King Bhumibol Adulyadej in the uniform of the supreme commander of the Royal Thai Armed Forces Monument of King Phutthayotfa Chulalok1988–1996
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2003–present (Series 14 to Series 17), late Rama IX and Rama X era

Images of banknotes have been removed lest they infringe copyright,[70] but may be viewed at the Thai-language article linked in the margin.

Series 14

The series 14 aims to focus on the activities and contributions of the Chakri kings. Officially, only three notes were issued, but the 50-baht notes were also produced alongside this series. The polymer 50-baht is considered to be a part of series 15, even though the production date began in 1994.[71][72]

More information Series 14 banknotes (Rama IX) issued for 13 years, Value ...
Series 14 banknotes (Rama IX)[73] issued for 13 years
Value Dimensions Main colour Description Date of issue
Obverse Reverse
50 baht
(polymer)
144 × 72 mmBlue King Bhumibol Adulyadej (Rama IX) in the uniform of the supreme commander of the Royal Thai Armed Forces King Mongkut (Rama IV)1994–2004
100 baht150 × 72 mmRed King Mongkut (Rama IV) and King Chulalongkorn (Rama V)1994–2003
500 baht156 × 72 mmPurple King Phutthayotfa Chulalok (Rama I) and King Phutthaloetla Naphalai (Rama II)1996–2001
1,000 baht166 × 80 mmSilver King Bhumibol Adulyadej (Rama IX) and Queen Sirikit1992–2005
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Series 15

The series 15 aims to update and expand the previous series 14's design. The 1000-baht note was resized down. There are two variants of this series, with the second and later variant having updated security features.[74]

More information Series 15 banknotes (Rama IX) issued for 10 years, Value ...
Series 15 banknotes (Rama IX)[73] issued for 10 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
20 baht138 × 72 mmGreen King Bhumibol Adulyadej (Rama IX) in the uniform of the supreme commander of the Royal Thai Armed Forces King Ananda Mahidol (Rama VIII)3 March 2003
50 baht144 × 72 mmBlue King Mongkut (Rama IV)19 March 2004
100 baht150 × 72 mmRed King Chulalongkorn (Rama V) and King Vajiravudh (Rama VI)21 October 2005
500 baht156 × 72 mmPurple King Nangklao (Rama III)1 August 2001
1,000 baht162 × 72 mmBrown King Bhumibol Adulyadej (Rama IX); Pa Sak Jolasid Dam25 November 2005
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Series 16

Similar to the series 15, the series 16 banknotes update the design to include a more later portrait of King Rama IX. There are two variants of this series, the later one being a circulated commemorative series circulating for a year after King Rama IX's passing. The series 16-2 notes depict the life and achievements of King Rama IX on the reverse.

More information Series 16 banknotes (Rama IX) issued for 6 years, Value ...
Series 16 banknotes (Rama IX)[73] issued for 6 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
20 baht[75]138 × 72 mmGreen King Bhumibol Adulyadej in the Royal House of Chakri gown King Ramkhamhaeng the Great on the Manangkhasila Asana Throne monument; invention of the Thai script; Ramkhamhaeng stele1 April 2013[76]
50 baht[77]144 × 72 mmBlue King Naresuan the Great pouring water for declaration of independence monument; Statue of King Naresuan the Great on war elephant; Phra Chedi Chai Mongkol temple18 January 2012[78]
100 baht[79]150 × 72 mmRed King Taksin the Great monument in Wongwian Yai circle; Phra Ratchawang Doem (King Taksin's palace); Wichai Prasit Fortress Thonburi26 February 2015[80]
500 baht[81]156 × 72 mmViolet King Phutthayotfa Chulalok the Great (Rama I) monument; Wat Phra Chetuphon Vimolmangklararm Rajwaramahaviharn (Wat Pho); Phra Sumen Fort (Bangkok city wall)12 May 2014[82]
1,000 baht[83]162 × 72 mmBrown King Chulalongkorn the Great (Rama V) monument; Ananta Samakhom throne hall, Dusit palace ground king's monument, end of slavery in Siam21 August 2015[84]
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Series 17
More information Series 17 banknotes (Rama X) issuing for 7 years, Value ...
Series 17 banknotes (Rama X)[85] issuing for 7 years
ValueDimensionsMain colourDescriptionDate of issue
ObverseReverse
20 baht138 × 72 mmGreen King Vajiralongkorn (Rama X) in the uniform of the commander of the Royal Thai Air Force and wearing the Order of the Nine Gems King Phutthayotfa Chulalok (Rama I) and King Phutthaloetla Naphalai (Rama II)6 April 2018
50 baht144 × 72 mmBlue King Nangklao (Rama III) and King Mongkut (Rama IV)6 April 2018
100 baht150 × 72 mmRed King Chulalongkorn (Rama V) and King Vajiravudh (Rama VI)6 April 2018
500 baht156 × 72 mmPurple King Prajadhipok (Rama VII) and King Ananda Mahidol (Rama VIII)28 July 2018
1,000 baht162 × 72 mmBrown King Bhumibol Adulyadej (Rama IX) and King Vajiralongkorn (Rama X)28 July 2018
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Money and unit of mass

Summarize
Perspective

Ngoen (เงิน) is Thai for "silver" as well as the general term for money, reflecting the fact that the baht (or tical) is foremost a unit of weight for precious metals and gemstones. One baht = 15.244 grams.[86] Since the standard purity of Thai gold is 96.5 percent, the actual gold content of one baht by weight is 15.244 × 0.965 = 14.71046 grams; equivalent to about 0.473 troy ounces. 15.244 grams is used for bullion; in the case of jewellery, one baht should be more than 15.16 grams.

Historical coinage material

More information Example coin, Material ...
Example coin Material Date in use[87] Denomation minted
Thumb
Gold 1863–1905*

*the coins mintage date were only in 1863 & 1876, but they were demonitized by the decimalization.

Predecimal coinage
  • 1/4 baht (1 fueang)
  • 1/2 baht
  • 1 baht
  • 2 baht
  • 4 baht (1 tamlueng)
  • 2 tamlueng
Thumb
Silver 1860–1962 Predecimal coinage
  • 1/2 fueang
  • 1/4 baht (1 fueang)
  • 1/2 baht
  • 1 baht
  • 2 baht

Decimal coinage

  • 5 satang
  • 10 satang
  • 20 satang
  • 25 satang
  • 50 satang
  • 1 baht
Thumb
Tin 1860–1950 Predecimal coinage
  • 1/16 fueang
  • 1/8 fueang

Decimal coinage

  • 1 satang
  • 5 satang
  • 10 satang
  • 25 satang
  • 50 satang
Thumb
Copper 1865–1905 Predecimal coinage
  • 1/16 fueang
  • 1/8 fueang
  • 1/4 fueang
  • 1/2 fueang
Thumb
Brass 1865–1977 Predecimal coinage
  • 1/4 fueang
  • 1/2 fueang

Decimal coinage

  • 25 satang
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Bronze 1887–1957 Predecimal coinage
  • 1/16 fueang
  • 1/8 fueang
  • 1/4 fueang

Decimal coinage

  • 1/2 satang
  • 1 satang
  • 5 satang
  • 10 satang
Thumb
Nickel 1908–1937 Decimal coinage
  • 5 satang
  • 10 satang
Thumb
Aluminium bronze 1950–present Decimal coinage
  • 5 satang
  • 10 satang
  • 25 satang
  • 50 satang
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Cupronickel 1897–present Transitional coinage
  • 2 1/2 satang
  • 5 satang
  • 10 satang
  • 20 satang

Decimal coinage

  • 1 baht
  • 5 baht
  • 10 baht (outer ring)
Nickelplated steel 2005–present Decimal coinage
  • 1 baht
  • 2 baht
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*inner part
Copper-aluminium-nickel 2008–present Decimal coinage
  • 5 baht
  • 10 baht (inner plug)
*no wiki-image exist a Al-Br coin version is used Copperplated steel 2008–present Decimal coinage
  • 25 satang
  • 50 satang
This table only includes milled coins. Photduang, knife-cash, etc., are not included.
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Exchange rates

Summarize
Perspective
Thumb
Historical exchange rate of USD/THB from 1980 to 2015
Thumb
Historical exchange rate of EUR/THB since 2005

The Bank of Thailand adopted a series of exchange controls on 19 December 2006, which resulted in a significant divergence between offshore and onshore exchange rates, with spreads of up to 10 percent between the two markets. Controls were broadly lifted on 3 March 2008 and there is now no significant difference between offshore and onshore exchange rates.[88]

USD/THB average exchange rate
2000200120022003200420052006200720082009
40.2440.2637.9232.3432.9934.3431.7330.4831.0730.71
2010201120122013201420152016201720182019
32.4834.2535.2833.9132.4834.2535.3033.9432.3131.05
2020202120222023202420252026202720282029
31.30

(Source 1999–2013: usd.fx-exchange.com)

(Source 2014–2020: Bank of Thailand) Archived 2021-01-23 at the Wayback Machine

More information Current THB exchange rates ...
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Purchasing power history

More information 2024 (~1.9%/yr), 2020 (~0.36%/yr) ...
A table showing the equivalent of 100 baht in purchasing power throughout history (rounded to the lowest denomination of coins)[89]
2024 (~1.9%/yr) 2020 (~0.36%/yr) 2015 (~2.64%/yr) 2010 (~3.05%/yr) 2005 (~1.65/yr)
100.00 baht 92.40 baht 90.75 baht 78.75 baht 66.75 baht
2000 (~4.65%/yr) 1995 (~4.36%/yr) 1990 (~2.45%/yr) 1985 (~7.75/yr) 1980 (~6.08%/yr)
61.25 baht 47.00 baht 36.75 baht 32.25 baht 19.75 baht
1975 (~7.85%/yr) 1970 (~2.4%/yr) 1965 (~1.93%/yr) 1960 (~10.81%/yr) 1955 (~9.57%/yr)
13.75 baht 8.35 baht 7.35 baht 6.64 baht 3.05 baht
1950 (~18.62%/yr) 1945 (~5.45%/yr) 1940 (~3.75%/yr) 1935 (~4.62%/yr) 1930 (~6.00%/yr)
1.59 baht 11.0 satang 8.0 satang 6.5 satang 5.0 satang
1925 (~1.10%/yr) 1892
3.5 satang 1 Att + 1 Solot
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See also

References

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