Toolgeist › Math & Unit

Unit Converter — Free Online Unit Converter

Unit Converter converts unit instantly as you type, and convert length, weight, temperature. All processing happens client-side in your browser, with nothing sent to a server. Free, unlimited, and no registration needed.

How to use Unit Converter

1. Enter or paste your unit value.
2. Pick the units or target format.
3. Copy the converted result.

Frequently asked questions

Is Unit Converter accurate?

Yes — it uses exact standard conversion factors, computes in full precision, and rounds only for display.

Do I need to install anything?

No. Unit Converter runs in any modern browser on desktop or mobile, with nothing to install.

Is there a limit on how many conversions I can do?

No. Conversions run locally in your browser, so there is no quota and no rate limit.

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