ENERGY
Power
Rate of work, heat transfer and machinery output.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result745700 mW1 hp = 745700 mW
EVERYDAY · ENGINEERING · SCIENCE
hp to mW Converter
Convert mechanical horsepower (hp) to milliwatt (mW). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through watt
Enter a mechanical horsepower value to calculate milliwatt with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| milliwattfrom hp | mW | 745700 |
| wattfrom hp | W | 745.7 |
| kilowattfrom hp | kW | 0.7457 |
| megawattfrom hp | MW | 0.0007457 |
| gigawattfrom hp | GW | 0.0000007457 |
| mechanical horsepowerfrom hp | hp | 1 |
| metric horsepowerfrom hp | PS | 1.01387 |
| electrical horsepowerfrom hp | hp(E) | 0.999598 |
| boiler horsepowerfrom hp | hp(S) | 0.0760181 |
| foot pound-force per secondfrom hp | ft·lbf/s | 550 |
| British thermal unit per hourfrom hp | BtuIT/h | 2544.43 |
| ton of refrigerationfrom hp | TR | 0.212036 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
hp to mW Conversion Reference
Mechanical Horsepower (hp) and milliwatt (mW) are units of power. Use this page to convert in either direction.
Conversion Examples
| Mechanical Horsepower (hp) | Milliwatt (mW) |
|---|---|
| 1 hp | 745700 mW |
| 5 hp | 3728500 mW |
| 10 hp | 7457000 mW |
| 100 hp | 74570000 mW |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
mW to hp (milliwatt to mechanical horsepower)
Related Power Conversions
hp to W (mechanical horsepower to watt)hp to kW (mechanical horsepower to kilowatt)hp to MW (mechanical horsepower to megawatt)hp to GW (mechanical horsepower to gigawatt)hp to PS (mechanical horsepower to metric horsepower)hp to hp(E) (mechanical horsepower to electrical horsepower)hp to hp(S) (mechanical horsepower to boiler horsepower)hp to ft·lbf/s (mechanical horsepower to foot pound-force per second)hp to BtuIT/h (mechanical horsepower to British thermal unit per hour)hp to TR (mechanical horsepower to ton of refrigeration)