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User:Srleffler/sandbox

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Prefix Base 1000 Base 10 Decimal English word Adoption[nb 1]
Name Symbol Short scale Long scale
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 1873
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 1873
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 1991
  1. ^ Prefixes adopted before 1960 already existed before SI. 1873 was the introduction of the CGS system.