Power conversion

Convert Mechanical horsepower to Milliwatt

1 mechanical horsepower (hp(I)) equals 745,699.871582270251 milliwatt (mW). Enter any value below to convert from hp(I) to mW.

Enter a value and choose units. Results update instantly.

1 hp(I) = 745,699.8715822703 mW

All Power units

From 1 hp(I)
UnitValue
Watt W 745.6998715823
Kilowatt kW 0.7456998716
Megawatt MW 0.0007456999
Milliwatt mW 745,699.8715822703
Mechanical horsepower hp(I) 1
Metric horsepower PS 1.0138696654
BTU (IT) per hour BTU/h 2,544.433577644
Foot-pound per second ft·lb/s 550
Recent conversions
  1. Your recent conversions stay on this device.

Formula

hp(I) to mW conversion formula

Use this relationship for a direct conversion:

mW = hp(I) x 745,699.871582270251

Worked example

2 hp(I) = 1,491,399.7431645405 mW.

Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.

Quick reference

Mechanical horsepower to Milliwatt table

Mechanical horsepower (hp(I))Milliwatt (mW)
0.017,456.9987158227
0.174,569.987158227
1745,699.8715822703
21,491,399.7431645405
53,728,499.3579113511
107,456,998.7158227023
2518,642,496.7895567566
5037,284,993.5791135132
10074,569,987.1582270265
1,000745,699,871.5822702646

From unit

About the mechanical horsepower

Exactly 550 foot-pounds force per second.

Symbol: hp(I)

To unit

About the milliwatt

One thousandth of a watt.

Symbol: mW

Keep converting

Related conversions

Milliwatt to Mechanical horsepowerReverse this conversion Mechanical horsepower to Watthp(I) to WMechanical horsepower to Kilowatthp(I) to kWMechanical horsepower to Megawatthp(I) to MWMechanical horsepower to Metric horsepowerhp(I) to PSMechanical horsepower to BTU (IT) per hourhp(I) to BTU/hMechanical horsepower to Foot-pound per secondhp(I) to ft·lb/s

Source

Conversion standard

Definitions are checked against NIST SP 811: Power units. Calculations use full internal precision before display rounding.

View the complete power converter

Questions

hp(I) to mW FAQ

How do you convert mechanical horsepower to milliwatt?

Use the formula mW = hp(I) x 745,699.871582270251. 1 mechanical horsepower (hp(I)) equals 745,699.871582270251 milliwatt (mW).

Is the hp(I) to mW conversion exact?

Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.