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Watts to Horsepower converter

Convert W to hp instantly. Type any value and get the result in horsepower. 1 W = 0.00134102 hp.

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Power›W → hp
From
To
result below ↓
1 W=
0.00134102hp
formula1 W = 0.00134102 hp

Common watts → horsepower

=0.00134102 hp
=0.00268204 hp
=0.00670511 hp
=0.0134102 hp
=0.0268204 hp
=0.0670511 hp
=0.134102 hp
=0.670511 hp
=1.34102 hp

Need a different value? .

Convert the other way
Horsepower to Watts

How to convert watts to horsepower

To convert watts to horsepower, multiply the value by 0.00134102.

Formula
hp = W × 0.00134102

For example:

  • →5 W = 0.00670511 hp
  • →100 W = 0.134102 hp

Quick reference

  • ▸1 W = 0.00134102 hp
  • ▸1 hp = 745.7 W

When you need to convert W to hp

  • ·Appliances — wattage to know what your circuit can handle.
  • ·Vehicles — comparing horsepower to kilowatts.
  • ·HVAC — sizing air conditioners with BTU/h.
  • ·Audio gear — speaker and amp ratings.
  • ·Renewable energy — solar panel output.

Frequently asked

How many horsepower are in 1 watt?
One watt equals 0.00134102 horsepower.
How do I convert W to hp in my head?
Multiply the value in watts by 0.00134102 to get horsepower.
What is the formula for watts to horsepower?
hp = W × 0.00134102.
What is the reverse — how many watts in 1 horsepower?
One horsepower equals 745.7 watts.

Related conversions

Horsepower to Watts
1 hp = 745.7 W
Watts to Kilowatts
1 W = 0.001 kW
Watts to Megawatts
1 W = 1.0000e-6 MW
Watts to Metric Horsepower
1 W = 0.00135962 PS
Kilowatts to Horsepower
1 kW = 1.34102 hp
Megawatts to Horsepower
1 MW = 1,341.02 hp
Metric Horsepower to Horsepower
1 PS = 0.98632 hp
BTU per Hour to Horsepower
1 BTU/h = 0.000393015 hp
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