单位全称 缩写 换算
Kilo K 1K字节 = 1,024个字节
Meg M 1M字节= 1,048,576字节
Giga G 1G字节 = 1,073,741,824字节
Tera T 1T字节 = 1,099,511,627,776字节
Peta P 1P 字节= 1,125,899,906,842,624字节
Exa E 1E字节 = 1,152,921,504,606,846,976字节
Zetta Z 1Z字节 = 1,180,591,620,717,411,303,424字节
Yotta Y 1Y字节 = 1,208,925,819,614,629,174,706,176字节
Prefix | Symbol | 1000m | 10n | Decimal | Short scale | Long scale | Since[1] |
---|---|---|---|---|---|---|---|
yotta | Y | 10008 | 1024 | 1000000000000000000000000 | Septillion | Quadrillion | 1991 |
zetta | Z | 10007 | 1021 | 1000000000000000000000 | Sextillion | Trilliard | 1991 |
exa | E | 10006 | 1018 | 1000000000000000000 | Quintillion | Trillion | 1975 |
peta | P | 10005 | 1015 | 1000000000000000 | Quadrillion | Billiard | 1975 |
tera | T | 10004 | 1012 | 1000000000000 | Trillion | Billion | 1960 |
giga | G | 10003 | 109 | 1000000000 | Billion | Milliard | 1960 |
mega | M | 10002 | 106 | 1000000 | Million | 1960 | |
kilo | k | 10001 | 103 | 1000 | Thousand | 1795 | |
hecto | h | 10002⁄3 | 102 | 100 | Hundred | 1795 | |
deca | da | 10001⁄3 | 101 | 10 | Ten | 1795 | |
10000 | 100 | 1 | One | ||||
deci | d | 1000−1⁄3 | 10−1 | 0.1 | Tenth | 1795 | |
centi | c | 1000−2⁄3 | 10−2 | 0.01 | Hundredth | 1795 | |
milli | m | 1000−1 | 10−3 | 0.001 | Thousandth | 1795 | |
micro | µ | 1000−2 | 10−6 | 0.000001 | Millionth | 1960[2] | |
nano | n | 1000−3 | 10−9 | 0.000000001 | Billionth | Milliardth | 1960 |
pico | p | 1000−4 | 10−12 | 0.000000000001 | Trillionth | Billionth | 1960 |
femto | f | 1000−5 | 10−15 | 0.000000000000001 | Quadrillionth | Billiardth | 1964 |
atto | a | 1000−6 | 10−18 | 0.000000000000000001 | Quintillionth | Trillionth | 1964 |
zepto | z | 1000−7 | 10−21 | 0.000000000000000000001 | Sextillionth | Trilliardth | 1991 |
yocto | y | 1000−8 | 10−24 | 0.000000000000000000000001 | Septillionth | Quadrillionth |