Utility Tools
Unit Converter
Convert between common units. Linear categories use SI factors; temperature uses the standard Celsius/Fahrenheit/Kelvin formulas. Results are computed in the browser as you type.
Your workspace
Runs in your browserHow to use
- 1Choose a category.
- 2Enter a number and pick units.
- 3Read the converted value, or swap units.
What this tool does
- — Six categories
- — Live conversion
- — Swap control
Useful when
- — Cooking conversions
- — Travel distances
- — Quick engineering checks
Where processing happens
All conversions are arithmetic in the browser. No values are stored.
Questions
Are these exact SI factors?+
Yes for the listed metric/US pairs (for example 1 in = 0.0254 m). Displayed results are rounded to 10 significant figures.
Related tools
More in Utility Tools · Guides