Is there a file size limit?

No practical limit for most operations.

Results are generated using standard algorithms for maximum accuracy.

free

Power Converter — free

Convert between watts, horsepower, kilowatts and more.

From

—

All power conversions

Watts (W)NaN

Kilowatts (kW)NaN

Megawatts (MW)NaN

Horsepower (hp)NaN

Metric HP (PS)NaN

BTU/hrNaN

Type, paste, or upload your content.

Result appears instantly in your browser.

Copy the result or download your file.

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.