EngiRef / Power conversion
Convert Horsepowers (Mech) to Watts (hp to W)
1 hp = 745.699872 W. Convert horsepowers (mech) to watts with the exact factor, a common-values table and a free converter.
Conversion factor
W = hp × 745.699872
1 hp = 745.699872 W
Multiply by 745.699872 W to go from horsepowers (mech) to watts, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
hp to W table
| Horsepowers (Mech) (hp) | Watts (W) |
|---|---|
| 1 hp | 745.699872 W |
| 2 hp | 1491.39974 W |
| 5 hp | 3728.49936 W |
| 10 hp | 7456.99872 W |
| 20 hp | 14913.9974 W |
| 50 hp | 37284.9936 W |
| 100 hp | 74569.9872 W |
Every figure is computed at build time by the site’s own converter from the power unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many watts are in one horsepower (mech)?
One horsepower (mech) is 745.699872 W, so 100 hp is 74569.9872 W.
What is the formula to convert horsepowers (mech) to watts?
W = hp × 745.699872. Multiply the value in horsepowers (mech) by 745.699872 to get watts.
How do I convert watts back to horsepowers (mech)?
hp = W × 0.00134102209, so 1 W is 0.00134102209 hp. The W to hp page carries the same table in that direction.