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Watts to horsepowers

1 watt in horsepowers
1 W = 0.001341 hp
hp = W × 0.00134102209

To convert watts to horsepowers, multiply by 0.00134102209. The table below gives the values people look up most often, and the converter works for any number.

Watts to horsepowers table

Common watt values converted to horsepowers.
Watts Horsepowers
1 W 0.001341
2 W 0.002682
3 W 0.0040231
4 W 0.0053641
5 W 0.0067051
10 W 0.01341
15 W 0.020115
20 W 0.02682
25 W 0.033526
30 W 0.040231
40 W 0.053641
50 W 0.067051
75 W 0.10058
100 W 0.1341
250 W 0.33526
500 W 0.67051
1,000 W 1.341022

How the conversion works

The relationship is hp = W × 0.00134102209. Both units measure power, so the conversion is a fixed factor that never changes.

Horsepower: Mechanical horsepower.

Common questions

How many horsepowers are in one watt?
One watt equals 0.001341 horsepowers. hp = W × 0.00134102209.
How do you convert watts to horsepowers?
Use hp = W × 0.00134102209. So 10 W is 0.01341 hp.
How many watts are in one horsepower?
One horsepower equals 745.6999 watts, which is the reverse of the conversion above.
Is there more than one kind of horsepower?
Mechanical horsepower.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked