Power Converter
Convert between watts, kilowatts, horsepower and BTU/h.
Result
Results are estimates for general information only and are not professional advice.
Power units
Power — the rate of energy use — is measured in watts, kilowatts, horsepower and BTU per hour. This converter switches between them, useful for engines, appliances and heating or cooling equipment.
Frequently Asked Questions
What is the Power Converter?
Convert between watts, kilowatts, horsepower and BTU/h. It runs instantly in your browser and is completely free.
Is the Power Converter free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Power Converter?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.