Power Converter
Convert watts (W), kilowatts (kW) and horsepower (hp) accurately — ideal for engineering, automotive, electrical and industrial use.
Power Conversion Tool
About This Power Converter
This online power converter allows you to convert between watts (W), kilowatts (kW) and horsepower (hp) using precise engineering-grade formulas. Whether you work with engines, electrical equipment, industrial machinery or renewable energy systems, this tool provides fast and accurate conversions.
Horsepower values use the standard mechanical horsepower conversion (1 hp = 745.699872 watts) ensuring high accuracy for automotive and industrial calculations.
Power Converter — FAQ
1. How many watts are in one horsepower?
1 mechanical horsepower = 745.699872 watts.
2. What is the difference between kW and W?
1 kilowatt = 1000 watts. Kilowatts are used for larger power ratings like engines or appliances.
3. Are conversions accurate for engineering use?
Yes — this tool uses internationally accepted engineering conversion constants.
4. Does this work offline?
Yes! All calculations run directly in your browser with no server required.