How to use the Power Converter
- Type the power value you want to convert.
- Choose the unit you have and the unit you want.
- Read the result and the reference table of common values.
What does this tool do?
Power is the rate of energy use. Engines are rated in horsepower or kilowatts, air conditioners in BTU per hour or tons of refrigeration, and appliances in watts.
One mechanical horsepower is 745.7 W, while metric horsepower (PS) is 735.5 W — car brochures in Europe often use PS. One ton of refrigeration is 12,000 BTU/h, about 3.52 kW.
Why use it?
- Both horsepower definitions.
- HVAC units included.
- Exact factors.
Privacy
The calculation happens instantly in your browser. The numbers you enter are not sent to our servers or saved. There's no account to create and nothing to install.
Frequently asked questions
How many BTU is a 1 kW heater?
About 3,412 BTU per hour.
Last reviewed by the M2Toolkit team.