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Unit Converter

Convert length, weight, temperature, volume, area, speed, time, data, pressure and energy units.

100% Client-Side

Choose a category, type a value and pick the units — the result and a full conversion table update instantly.

How to use the Unit Converter

  1. 1

    Choose a category such as length, weight or temperature.

  2. 2

    Type the value you want to convert.

  3. 3

    Pick the units to convert from and to, or swap them with one click.

  4. 4

    Read the result, or scan the table showing the value in every unit of that category.

Frequently asked questions

Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are shown with up to 10 significant digits.

Yes. A US gallon is 3.785 liters and an imperial (UK) gallon is 4.546 liters. Both are listed separately, as are US and UK fluid ounces.

Both exist. KB, MB and GB here are decimal (1000-based), as used by drive makers and networks. KiB, MiB and GiB are binary (1024-based), as used by many operating systems.

Temperature scales have different zero points, so they use formulas rather than a single factor: °F = °C × 9/5 + 32 and K = °C + 273.15.

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