Horsepower (mechanical)s to Watts (hp to W)
Free online horsepower (mechanical) to watt converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
POWER CONVERTER — INSTANT RESULT
Formula: multiply the horsepower (mechanical) value by 745.69987158 — i.e. W = hp × 745.69987158
Quick check: 1 hp = 745.69987158 W
Quick check: 1 hp = 745.69987158 W
Horsepower (mechanical)s to Watts conversion table
| Horsepower (mechanical)s (hp) | Watts (W) |
|---|---|
| 1 hp | 745.69987158 W |
| 2 hp | 1,491.39974316 W |
| 3 hp | 2,237.09961475 W |
| 4 hp | 2,982.79948633 W |
| 5 hp | 3,728.49935791 W |
| 6 hp | 4,474.19922949 W |
| 7 hp | 5,219.89910108 W |
| 8 hp | 5,965.59897266 W |
| 9 hp | 6,711.29884424 W |
| 10 hp | 7,456.99871582 W |
| 15 hp | 11,185.49807373 W |
| 20 hp | 14,913.99743165 W |
| 25 hp | 18,642.49678956 W |
| 30 hp | 22,370.99614747 W |
| 40 hp | 29,827.99486329 W |
| 50 hp | 37,284.99357911 W |
| 75 hp | 55,927.49036867 W |
| 100 hp | 74,569.98715823 W |
| 250 hp | 186,424.96789557 W |
| 500 hp | 372,849.93579114 W |
| 1,000 hp | 745,699.87158227 W |
How to convert horsepower (mechanical)s to watts
To convert horsepower (mechanical)s to watts, multiply the amount in horsepower (mechanical)s by 745.69987158. For example, 10 hp = 7,456.99871582 W. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between watts, horsepower, BTU per hour and foot-pounds per second. Mechanical horsepower is defined as exactly 550 ft·lbf/s = 745.699871582 W; metric horsepower (PS) is 75 kgf·m/s = 735.49875 W.
Frequently asked questions
How many watts are in one horsepower (mechanical)?
One horsepower (mechanical) is exactly 745.69987158 watts.
How do I convert hp to W?
Multiply the hp value by 745.69987158 to get W. The converter at the top of this page does this automatically and works in both directions.
How much is 100 horsepower (mechanical)s in watts?
100 horsepower (mechanical)s equals 74,569.98715823 watts.