泽字节或泽它字节(英语:Zettabyte,缩写为ZB)(又称十垓字节),是资讯计量单位字节的多倍形式。国际单位制(SI)以1021来定义前缀泽它,故1泽字节表示1021字节[1]。
Quick Facts 字节的次方单位, 十进制前缀 (SI) ...
字节的次方单位
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二进制前缀 (IEC 60027-2)
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名字 |
符号 |
倍数
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kibibyte |
KiB |
210
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mebibyte |
MiB |
220
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gibibyte |
GiB |
230
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tebibyte |
TiB |
240
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pebibyte |
PiB |
250
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exbibyte |
EiB |
260
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zebibyte |
ZiB |
270
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yobibyte |
YiB |
280
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Zebibyte(缩写:ZiB)是另一个类似的单位,使用二进制前缀,表示1,180,591,620,717,411,303,424(270)字节,常与泽字节混淆。
2016年,全世界互联网流量超过1 ZB,开启了泽字节时代。[2]
- 1 ZB = 1,000 EB
- 1 ZB = 1,000,000 (106) PB
- 1 ZB = 1,000,000,000 (109) TB
- 1 ZB = 1,000,000,000,000 (1012) GB
- 1 ZB = 1,000,000,000,000,000 (1015) MB
- 1 ZB = 1,000,000,000,000,000,000 (1018) KB
- 1 ZB = 1,000,000,000,000,000,000,000 (1021) B
另外,泽字节往往亦可以指Zebibyte,其换算公式是:
- 1 ZB ≈ 0.847 ZiB
- 1 ZiB = 1,024 EiB
- 1 ZiB = 1,048,576 (10242) PiB
- 1 ZiB = 1,073,741,824 (10243) TiB
- 1 ZiB = 1,099,511,627,776 (10244) GiB
- 1 ZiB = 1,125,899,906,842,624 (10245) MiB
- 1 ZiB = 1,152,921,504,606,846,976 (10246) KiB
- 1 ZiB = 1,180,591,620,717,411,303,424 (10247) B
International Standard ISO/IEC 80000 Quantities and Units – Part 13: Information science and technology, International Electrotechnical Commission (2008).