| Multiplication Factor |
10 E |
Prefix |
Symbol |
Examples at order of magnitude for Length (m) |
Examples at order of magnitude for Force (N) |
Examples at order of magnitude for Power (W) |
Others |
|---|
| 1,000,000,000,000,000,000 |
18 |
exa |
E |
Diameter of a typical globular cluster |
|
|
|
| 1,000,000,000,000,000 |
15 |
peta |
P |
1/10 light-year |
|
Estimated heat flux transported by the Gulf Stream |
|
| 1,000,000,000,000 |
12 |
tera |
T |
Orbital distance of Saturn from Sun |
|
Average electrical power for World |
|
| 1,000,000,000 |
9 |
giga |
G |
Diameter of the Sun |
|
Average nuclear power plant |
|
| 1,000,000 |
6 |
mega |
M |
Radius of Pluto |
|
Solar power plant |
|
| 1,000 |
3 |
kilo |
k |
Longest span of Golden Gate Bridge (1.2 km) |
|
Full sun on 1 m2 |
|
| 1 |
0 |
|
|
3.28 feet |
|
Small LED flashlight |
|
| 0.001 |
-3 |
milli |
m |
12 point font period |
|
Line test for a telephone |
|
| 0.000001 |
-6 |
micro |
μ |
diameter of small bacterium [micron] |
|
approximate consumption of a quartz wristwatch |
|
| 0.000000001 |
-9 |
nano |
n |
diameter of Carbon nanotube (radius of DNA helix) |
|
output of a typical tissue cell |
|
| 0.000000000001 |
-12 |
pico |
p |
wavelength of gamma rays |
|
average power consumption of a human cell |
|
| 0.000000000000001 |
-15 |
femto |
f |
size of a proton |
|
|
|
| 0.000000000000000001 |
-18 |
atto |
a |
upper limit for the size of quarks and electrons |
|
output of a myosin muscle motor |
|
