watt to horsepower (W → hp)

Unit Converter

Converting watt (W) to horsepower (hp), 1W is about 0.001341hp.

What is it

watt is a power unit, as is horsepower. Their relation is fixed: 1W = 0.001341hp.

hp = W × 0.001341

How to use

  1. 1Enter the watt (W) value.
  2. 2See the horsepower (hp) result instantly.
  3. 3Switch units to convert again if needed.

Reference

watt to horsepower (W → hp) Reference
Whp
10.001341
50.006705
100.01341
500.067051
1000.134102
10001.341022

Sources & standards

FAQ

How many hp is 1W?

1W is about 0.001341hp.

How do I convert hp back to W?

Compute W = hp ÷ 0.001341.

How many hp is 10W?

10W is about 0.01341hp.

Is 746W equal to 1 horsepower?

The exact mechanical horsepower is 745.699872W, commonly rounded to 746W — the value behind 1HP motor nameplate ratings.

Is my input sent to a server?

No. Every conversion runs instantly inside your browser; the values you enter are never sent to a server or stored.

Related tools