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Unit Converter

Convert length, weight, temperature and more. Instantly.

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Convert measurements with explicit units

Unit Converter covers length, area, volume, mass, temperature, speed, time, storage, pressure, energy, power and angles. Enter a finite value, select both units and adjust significant-digit precision. Conversion runs on your device.

Are US and Imperial units interchangeable?: Not always: US and Imperial volume units differ. Data storage also distinguishes decimal SI units from binary IEC units. Choose the specifically named unit instead of assuming they are equivalent.
Why does a temperature conversion use an offset?: Celsius, Fahrenheit and Kelvin have different zero points. The converter applies their scale and offset, rejects values below absolute zero, and keeps the unrounded result when swapping units.