Below are names, symbols and examples for powers of ten (AKA powers of 10, factors of ten) at steps of 10³ pertaining to the SI prefixes.
| 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 |
