Power Converter
Watt to kW, HP to Watt & more

Free Power Converter — Watt to kW, HP to Watt & more

Converting between power units comes up constantly in physics homework and everyday life — turning a motor's horsepower rating into Watts for a formula, checking an appliance's kilowatt rating, or working through a numerical that mixes Watts, kilowatts and horsepower. This power converter is built to make that instant, accurate, and free, with no signup, no app download and no ads getting in the way.

It covers the power conversions people search for most: Watt to kW, kW to Watt, HP to Watt, Watt to HP and kW to HP — plus megawatt and BTU/hour, so you can move between the SI unit and the units used in engineering, automotive specs and appliance ratings in one place instead of hunting for a separate tool for each pair.

Every conversion uses standard SI conversion factors — the same values accepted in TN Board, CBSE, NEET and JEE numericals — so the result you get here is the exact figure examiners expect, not a rounded approximation. That makes this tool useful for more than just homework: physics students solving power numericals, anyone comparing a vehicle's HP rating to its kW rating, and anyone who needs a quick, reliable power conversion can rely on the same formulas used in this converter.

Just pick your from and to units (or tap one of the popular conversion shortcuts above), type in your value, and the result updates instantly — no "convert" button to click, no page reload, no waiting.