Centi-
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This article is about the prefix of measurement units. For other uses, see Centi (disambiguation).
Not to be confused with Milli-.
Centi- (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. Proposed in 1793,[1] and adopted in 1795, the prefix comes from the Latin centum, meaning "hundred" (cf. century, cent, percent, centennial). Since 1960, the prefix is part of the International System of Units (SI). It is mainly used in combination with the unit metre to form centimetre, a common unit of length.
- Example
More information Prefix, Base 10 ...
Prefix | Base 10 | Decimal | Adoption [nb 1] | |
---|---|---|---|---|
Name | Symbol | |||
quetta | Q | 1030 | 1000000000000000000000000000000 | 2022[3] |
ronna | R | 1027 | 1000000000000000000000000000 | |
yotta | Y | 1024 | 1000000000000000000000000 | 1991 |
zetta | Z | 1021 | 1000000000000000000000 | |
exa | E | 1018 | 1000000000000000000 | 1975[4] |
peta | P | 1015 | 1000000000000000 | |
tera | T | 1012 | 1000000000000 | 1960 |
giga | G | 109 | 1000000000 | |
mega | M | 106 | 1000000 | 1873 |
kilo | k | 103 | 1000 | 1795 |
hecto | h | 102 | 100 | |
deca | da | 101 | 10 | |
— | — | 100 | 1 | — |
deci | d | 10−1 | 0.1 | 1795 |
centi | c | 10−2 | 0.01 | |
milli | m | 10−3 | 0.001 | |
micro | μ | 10−6 | 0.000001 | 1873 |
nano | n | 10−9 | 0.000000001 | 1960 |
pico | p | 10−12 | 0.000000000001 | |
femto | f | 10−15 | 0.000000000000001 | 1964 |
atto | a | 10−18 | 0.000000000000000001 | |
zepto | z | 10−21 | 0.000000000000000000001 | 1991 |
yocto | y | 10−24 | 0.000000000000000000000001 | |
ronto | r | 10−27 | 0.000000000000000000000000001 | 2022[3] |
quecto | q | 10−30 | 0.000000000000000000000000000001 | |
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