Is there a file size limit?

No practical limit for most operations.

Results are generated using standard algorithms for maximum accuracy.

fast

Power Converter — fast

Convert between watts, horsepower, kilowatts and more.

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All power conversions

Watts (W)NaN

Kilowatts (kW)NaN

Megawatts (MW)NaN

Horsepower (hp)NaN

Metric HP (PS)NaN

BTU/hrNaN

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Convert between joules, calories, BTU, kWh and more.

Convert between units of length, weight, temperature, volume, area, speed, and more.

Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly.