Prefix Multipliers
Prefix Multipliers represent quantities that are orders of magnitude larger than the base unit.
Designator Symbol Multiplier Value
yocto- y 10-24 0.000000000000000000000001
zepto- z 10-21 0.000000000000000000001
atto- a 10-18 0.000000000000000001
femto- f 10-15 0.000000000000001
pico- p 10-12 0.000000000001
nano- n 10-9 0.000000001
micro- μ or mm 10-6 0.000001
milli- m 10-3 0.001
centi- c 10-2 0.01
deci- d 10-1 0.1
(none) - 100 1
deka- da or D 101 10
hecto- h 102 100
kilo- K or 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