Unit Converter

Convert anything between length, weight, temperature, area, volume, speed, pressure, energy, power, storage and time — with instant results and the formula shown.

100% FreeNo Sign-up100% Browser-BasedInstant Results

Unit Converter

Please enter a valid number.
Enter a value to convert
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How It Works

Three steps to a conversion.

1

Pick a category

Choose length, weight, temperature, area, volume, speed, pressure, energy, power, storage or time.

2

Choose units & value

Select the from/to units and type a value.

3

Read the result

Get the converted value instantly, with the formula displayed above the result.

FAQ

Common questions about unit conversion.

Which units are supported?

Over 90 units across 11 categories including metric, imperial and specialized units like pressure and data storage.

Does the converter handle temperature?

Yes. Celsius, Fahrenheit and Kelvin use their dedicated conversion formulas.

How accurate are the results?

Conversions use exact factors and are displayed with up to 10 significant decimals.

What is data storage?

Bytes through petabytes in binary, plus bits and kilobits — useful for file and disk sizes.

Is conversion done online?

No. Everything runs locally in your browser with no uploads.

Can I swap units?

Yes. Use the Swap button to reverse the from/to selections instantly.

Privacy first: all processing happens in your browser. Your data is never uploaded — once you close this page, all data is gone.