Prefixes
The following prefixes can be prepended to any unit (without space in between).
Whenever some ambiguity arises, for example for the nuclear magneton
"muN", which could also mean micro
Newton, the first definition (nuclear magneton) is used.
| Factor |
Prefix |
Symbol |
Factor |
Prefix |
Symbol |
| 101 |
da |
deca |
10-1 |
d |
deci |
| 102 |
h |
hecto |
10-2 |
c |
centi |
| 103 |
k |
kilo |
10-3 |
m |
milli |
| 106 |
M |
mega |
10-6 |
mu |
micro |
| 109 |
G |
giga |
10-9 |
n |
nano |
| 1012 |
T |
tera |
10-12 |
p |
pico |
| 1015 |
P |
peta |
10-15 |
f |
femto |
| 1018 |
E |
exa |
10-18 |
a |
atto |
| 1021 |
Z |
zetta |
10-21 |
z |
zepto |
| 1024 |
Y |
yotta |
10-24 |
y |
yocto |
|