Power Converter
Convert between power units — milliwatts, watts, kilowatts, megawatts, horsepower, metric horsepower and BTU per hour.
1 mW = 0.001 W
1 mW = 0.001 W
Popular conversions
Frequently asked questions
How many watts are in a horsepower?
One mechanical horsepower equals about 745.7 watts.
How do I convert kilowatts to horsepower?
Multiply kilowatts by about 1.341 to get horsepower (1 kW ≈ 1.341 hp).
What is a BTU per hour?
BTU per hour is a measure of heating/cooling power; 1 BTU/h equals about 0.293 watts.
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