Converters Calculator
Power Converter
Convert power units including watts, kilowatts, horsepower, BTU per hour, and foot-pounds per second.
⚠️ Please enter a valid number.
Converted Power
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Calculator guide
How this calculator works
How to use this calculator
Enter a power value, choose the starting unit, choose the output unit, then click Convert.
Formula used
The calculator converts the input into watts, then converts watts into the selected output unit.
Example calculation
1 horsepower equals about 0.7457 kilowatts.
What the result means
The result shows the same power level expressed in another unit.
Frequently asked questions
What is power?
Power is the rate at which energy is used or transferred.
Can I convert horsepower to kilowatts?
Yes. Select horsepower as the starting unit and kilowatts as the target unit.
Is BTU/hour power or energy?
BTU is energy, but BTU/hour is power because it measures energy per unit of time.