Using metric prefixes
Last updated: 9/11/2025
In order to write very large or very small numbers, you can use symbols from the
metric system, such as 1k for 1000.
| Symbols | Name | Description |
|---|---|---|
| T | Tera | 1T = 1000000000000 |
| G | Giga | 1G = 1000000000 |
| M | Mega | 1M = 1000000 |
| k | Kilo | 1k = 1000 |
| h | Hecto | 1h = 100 |
| da | Deca | 1da = 10 |
| d | Deci | 1d = 0.1 |
| c | Centi | 1c = 0.01 |
| m | Milli | 1m = 0.001 |
| µ | Micro | 1µ = 0.000001 |
| n | Nano | 1n = 0.000000001 |
| p | Pico | 1p = 0.000000000001 |