8 Appendix

8.2 Prefixes

Below is a list of all prefixes that can preceed a scientifical unit to define its order of magnitude.

Prefix Symbol Power Absolute
yocto y 10-24 .000000000000000000000001
zepto z 10-21 .000000000000000000001
atto a 10-18 .000000000000000001
femto f 10-15 .000000000000001
pico p 10-12 .000000000001
nano n 10-9 .000000001
micro μ 10-6 .000001
milli m 10-3 .001
centi c 10-2 .01
deci d 10-1 .1
- - 100 1
deca D 101 10
hecto h 102 100
kilo k 103 1,000
mega M 106 1,000,000
giga G 109 1,000,000,000
tera T 1012 1,000,000,000,000
peta P 1015 1,000,000,000,000,000
exa E 1018 1,000,000,000,000,000,000
zetta Z 1021 1,000,000,000,000,000,000,000
yotta Y 1024 1,000,000,000,000,000,000,000,000


© Joris van den Heuvel 2001-2009