Unit Converter

Bidirectional unit converter supporting length, weight, temperature, area, volume, speed, and data sizes. Switch categories from a dropdown.

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How to use Unit Converter

Convert length, weight, temperature, area, speed & more.

Select a measurement category from the dropdown (length, weight, temperature, area, speed, etc.).

Enter a value in either of the two unit fields.

The conversion updates instantly in both directions.

Is Unit Converter free to use?

Yes, Unit Converter is 100% free with no account required and no usage limits.

Is my data private?

Yes. Processing happens entirely in your browser. We never see, store, or transmit your input data.

How accurate is the Unit Converter?

Calculations use standard mathematical formulas and JavaScript's native number precision. Results are accurate for everyday use.

Can I use Unit Converter on my mobile phone?

Yes. The tool is fully responsive and works on any modern smartphone or tablet.