Préfixes SI désignant les facteurs décimaux
| Nom |
Symbole |
n |
10n |
math |
USA |
Europe |
| yotta |
Y |
24 |
1024 |
1.0E+24 |
|
|
| zetta |
Z |
21 |
1021 |
1.0E+21 |
|
|
| exa |
E |
18 |
1018 |
1.0E+18 |
|
trillion |
| peta |
P |
15 |
1015 |
1.0E+15 |
quadrillion |
|
| téra |
T |
12 |
1012 |
1.0E+12 |
trillion |
billion |
| giga |
G |
9 |
109 |
1.0E+9 |
billion |
milliard |
| méga |
M |
6 |
106 |
1.0E+6 |
million |
million |
| kilo |
k |
3 |
103 |
1.0E+3 |
|
|
| hecto |
h |
2 |
102 |
1.0E+2 |
|
|
| déca |
da |
1 |
101 |
1.0E+1 |
|
|
| déci |
d |
-1 |
10-1 |
1.0E-1 |
|
|
| centi |
c |
-2 |
10-2 |
1.0E-2 |
% |
% |
| milli |
m |
-3 |
10-3 |
1.0E-3 |
°/00, ppm |
°/00 |
| micro |
µ |
-6 |
10-6 |
1.0E-6 |
|
|
| nano |
n |
-9 |
10-9 |
1.0E-9 |
ppb |
|
| pico |
p |
-12 |
10-12 |
1.0E-12 |
ppt |
ppb |
| femto |
f |
-15 |
10-15 |
1.0E-15 |
|
|
| atto |
A |
-18 |
10-18 |
1.0E-18 |
|
ppt |
| zepto |
z |
-21 |
10-21 |
1.0E-21 |
|
|
| yocto |
y |
-24 |
10-24 |
1.0E-24 |
|
|