Milliwatts (mW)	Horsepower (hp)
1 mW	0.000001341 hp
2 mW	0.000002682 hp
5 mW	0.000006705 hp
10 mW	0.00001341 hp
25 mW	0.00003353 hp
50 mW	0.00006705 hp
100 mW	0.0001341 hp
250 mW	0.0003353 hp
500 mW	0.0006705 hp
1000 mW	0.001341 hp

Convert Milliwatts to Horsepower

Convert milliwatts to horsepower (mW to hp) with our instant calculator. 1 mW = 0.000001 hp. Includes exact formula and reference tables.

How to Convert Milliwatts to Horsepower (mW to hp)

1 Milliwatt (mW) is equal to 0.000001 Horsepower (hp). Multiply the milliwatt value by 0.00000134102209

Quick Answer 1 mW = 0.000001 hp

Formula hp = mW × 0.00000134102209

Inverse Factor 1 hp = 745699.871582 mW

Unit Definitions & Metrology Context

The SI unit of power is the watt (W), equal to 1 joule per second. 1 mechanical horsepower equals ~745.7 watts.

About Milliwatts (mW): Milliwatt (mW) is a unit in the Power measurement category. It is widely used in rf transmitters, wi-fi & laser output. Relative to the power base unit, 1 mW equals 0.001 Watts (W).

About Horsepower (hp): Horsepower (Mechanical/US) (hp) is a unit in the Power measurement category. It is a standard everyday unit of power measurement. Relative to the power base unit, 1 hp equals 745.699872 Watts (W).

Need to convert in the opposite direction? Visit our Convert Horsepower to Milliwatts (hp to mW) calculator (1 hp = 745699.871582 mW).

Step-by-Step Worked Examples (mW to hp)

Convert 5 Milliwatts to Horsepower: Applying the formula (hp = mW × 0.00000134102209): starting with 5 mW, multiply the milliwatt value by 0.00000134102209 to get 0 hp.
Convert 10 Milliwatts to Horsepower: Applying the formula (hp = mW × 0.00000134102209): starting with 10 mW, multiply the milliwatt value by 0.00000134102209 to get 0 hp.
Convert 50 Milliwatts to Horsepower: Applying the formula (hp = mW × 0.00000134102209): starting with 50 mW, multiply the milliwatt value by 0.00000134102209 to get 0.0001 hp.

Popular Power Conversions

Horsepower (Mechanical/US) ⇄ Kilowatt

1 mechanical horsepower equals approximately 0.7457 kilowatts.

Kilowatt ⇄ Horsepower (Mechanical/US)

Multiply kilowatts by ~1.34102 to calculate mechanical horsepower.

Kilowatt ⇄ Watt

1 kilowatt equals exactly 1,000 watts.

Megawatt ⇄ Kilowatt

1 megawatt equals exactly 1,000 kilowatts or 1,000,000 watts.

Frequently Asked Questions

Verified answers and formulas for converting milliwatts to horsepower.

How many horsepower are in 1 milliwatt?

There are 0.000001 horsepower (hp) in 1 milliwatt (mW). Conversely, 1 horsepower (mechanical/us) equals 745699.871582 milliwatts.

How do you convert milliwatts to horsepower?

To convert milliwatts (mW) to horsepower (hp), use the formula: hp = mW × 0.00000134102209. Multiply the milliwatt value by 0.00000134102209. For example, 10 mW equals 0 hp.

How do I convert back from horsepower to milliwatts?

To convert in the reverse direction from horsepower (hp) to milliwatts (mW), use the inverse formula: mW = hp × 745699.8716. Multiply the horsepower (mechanical/us) value by 745699.8716 (1 hp = 745699.871582 mW).

What is the difference between milliwatt (mW) and horsepower (mechanical/us) (hp)?

Both milliwatt and horsepower (mechanical/us) measure power. Milliwatt (mW) is a unit in the Power measurement category. It is widely used in rf transmitters, wi-fi & laser output. Relative to the power base unit, 1 mW equals 0.001 Watts (W). Horsepower (Mechanical/US) (hp) is a unit in the Power measurement category. It is a standard everyday unit of power measurement. Relative to the power base unit, 1 hp equals 745.699872 Watts (W).

How many watts are in 1 horsepower?

1 mechanical (imperial) horsepower equals approximately 745.7 watts. 1 metric horsepower (PS) equals ~735.5 watts.