Horsepower to Milliwatts Converter
Convert horsepower (hp) to milliwatts (mW)
Result
7,45,699.8716 mW
Milliwatts
1 hp = 7,45,699.8716 mW
1 hp in other units
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How to convert horsepower to milliwatts
One horsepower equals 7,45,699.9 milliwatts, so multiply the number of horsepower by 7,45,699.9.
mW = hp × 7,45,699.9
1 hp = 7,45,699.9 mW · 1 mW = 0.000001341022 hp
Worked example
To convert 5 horsepower to milliwatts: 5 hp × 7,45,699.9 = 37,28,499 mW.
About horsepower (hp)
Mechanical horsepower is about 745.7 W. Engine power in the US and UK is often in hp or bhp.
About milliwatts (mW)
A milliwatt is one thousandth of a watt, used for lasers and small electronics.
More conversions
Horsepower to other units
Frequently asked questions
How many milliwatts are in one horsepower?
One horsepower equals 7,45,699.9 milliwatts.
How many horsepower are in one milliwatt?
One milliwatt equals 0.000001341022 horsepower.
How do I convert horsepower to milliwatts?
Use the formula mW = hp × 7,45,699.9. For example, 5 hp × 7,45,699.9 = 37,28,499 mW.