watts to horsepower

Free online watts to horsepower converter, type a value and get the result instantly. No signup, works offline in your browser.

Same unit, other spellings, horsepower: mechanical horsepower, imperial horsepower, hp(I).

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All calculations run locally in your browser, nothing is uploaded.

Conversion formula

1 W = 0.001341 hp

How to convert watts to horsepower step by step

  1. Write down the value you want to convert in watts.
  2. Multiply it by the conversion factor: 0.001341 (because 1 W = 0.001341 hp).
  3. The result is your value in horsepower. Example: 10 W × 0.001341 = 0.01341 hp.

Tip: to go the other way, divide by the factor, or use the horsepower to watts converter.

watts to horsepower conversion table

watts (W)horsepower (hp)
0.1 W0.000134 hp
0.25 W0.000335 hp
0.5 W0.000671 hp
1 W0.001341 hp
2 W0.002682 hp
3 W0.004023 hp
4 W0.005364 hp
5 W0.006705 hp
6 W0.008046 hp
8 W0.010728 hp
10 W0.01341 hp
15 W0.020115 hp
20 W0.02682 hp
25 W0.033526 hp
30 W0.040231 hp
40 W0.053641 hp
50 W0.067051 hp
60 W0.080461 hp
75 W0.100577 hp
100 W0.134102 hp
120 W0.160923 hp
122 W0.163605 hp
146 W0.195789 hp
150 W0.201153 hp
190 W0.254794 hp
200 W0.268204 hp
250 W0.335256 hp
300 W0.402307 hp
400 W0.536409 hp
500 W0.670511 hp
600 W0.804613 hp
750 W1.005767 hp
800 W1.072818 hp
1000 W1.341022 hp
1500 W2.011533 hp
1810 W2.42725 hp
1930 W2.588173 hp
2000 W2.682044 hp
2500 W3.352555 hp
3000 W4.023066 hp
4000 W5.364088 hp
5000 W6.70511 hp
7500 W10.057666 hp
10000 W13.410221 hp
10500 W14.080732 hp

About the horsepower unit

This converter uses mechanical (imperial) horsepower: 1 hp = 745.6998715822702 W = 550 ft·lbf/s. Metric horsepower (PS/CV) is slightly smaller at 735.49875 W, so 1 hp(I) ≈ 1.0139 PS. Electric motors rated in hp use the mechanical definition.

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FAQ

How do I convert watts to horsepower?

Type a value in watts in the converter above, the equivalent in horsepower is calculated instantly. 1 W equals 0.001341 hp.

What is the formula to convert watts to horsepower?

Multiply the value in watts by 0.001341 to get the value in horsepower.

How many horsepower are in 1 watts?

There are 0.001341 horsepower in 1 W.

How do I convert horsepower back to watts?

Divide the value in horsepower by 0.001341, or use the swap button (⇄) in the converter above.

What does W stand for?

W is the standard abbreviation for watts. E.g. 1 W = 0.001341 hp.

What does hp stand for?

hp is the standard abbreviation for horsepower.