Part of Unit converters
About Power Converter
Convert watts, kilowatts, horsepower, and BTU per hour. Motors, GPUs, appliances, and renewable energy specs mix these units freely.
How to Use Power Converter
Choose the power unit from the nameplate or spec. Enter the rating. Select the unit your comparison uses. Copy the converted power for sizing breakers or PSUs.
When to Use Power Converter
Automotive: Compare metric kW ratings with mechanical horsepower. Electronics: Size power supplies when devices list mixed units. Solar: Translate inverter output between kW and hp for legacy docs. Fitness equipment: Interpret motor claims consistently.
Why Use This Power Converter?
Mechanical and metric horsepower differ slightly. Use the labeled horsepower type in the dropdown when available.
How to use
1. Choose the power unit from the nameplate or spec.
2. Enter the rating.
3. Select the unit your comparison uses.
4. Copy the converted power for sizing breakers or PSUs.
Frequently asked questions
Watts vs horsepower?
1 mechanical horsepower ≈ 745.7 watts. EV brochures may list kW; US cars still quote hp.
Is power the same as energy?
No. Power is energy per time (watts). Use the energy converter for kWh and joules.