Unit converter
Convert measurements between common units.
Runs in your browser
Choose source and destination units of the same kind.
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Your result will appear hereAdd your input, choose the options and run the tool.
Your input stays on this device. Nothing is uploaded or saved.
About Unit converter
Convert length, mass, volume, time, speed, and temperature using explicit units.
When to use it
Convert measurements without ambiguous unit names.
1 kilometre ≈ 0.621371 milesHow to use it
- Enter a numeric value.
- Choose compatible source and target units.
- Convert and inspect the result.
Limits & privacy
Uses floating-point arithmetic. Volume units labeled US use US definitions. Temperature values below absolute zero are rejected. Incompatible dimensions cannot be converted.
Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.