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
How accurate is Power Converter?
Conversions use standard factors with high precision. Results update as you change values or units—verify critical engineering work against your required tolerance.
Where is my input stored?
Measurements stay in your browser. Case Modify does not upload values for this tool to work.
Can I convert between any two supported units?
Select source and target units from the dropdowns. Swap selections anytime to reverse the calculation.