Acceptable Unit Letters
- Updated2026-03-24
- 1 minute(s) read
Number constants use a standard floating point format and support scientific notation (for example, 5e-6).
They also recognize the following Systčme International prefixes:
| Prefix | Multiplier | Meaning |
|---|---|---|
| f, F | 1e-15 | femto |
| p | 1e-12 | pico |
| n, N | 1e-9 | nano |
| u, U, µ | 1e-6 | micro |
| m | 1e-3 | milli |
| k, K | 1e+3 | Kilo |
| meg, MEG, M | 1e+6 | Mega |
| g, G | 1e+9 | Giga |
| t or T | 1e+12 | tera |
| P | 1e+15 | peta |
You can enter any number in scientific notation (with or without an exponent), followed by an optional unit letter.
You can also use the unit letter as a subsitute for the decimal point in a number, so 1M3 = 1.3M, for example. Do not use an exponent in this case.
Letters with multiple acceptable capitalizations are auto-corrected to match the standard for that unit. For example, if you type 1.3g, it is converted to 1.3G.
Exception: “k” is normally lower case. However, if it is used in place of a decimal point as in the example “1k3”, it is converted to upper case, as in “1K3”.
Any letters after the suffix are ignored. For example, “1.4kohms” = “1.4k” and “1.3me” = “1.3m”.
Acceptable values include:
- 1.3
- 1.3k
- 1k3
- 1.3kohms
- 1.3e4
- 1.3e-4
- 1.3e-4meg