100 horsepower to watts
100 hp = 74,569.99 W. Change the amount below, or read the formula and the reference table further down.
100 horsepower equals
watts
1 hp = 745.7 W
The formula
Horsepower and watts both measure power from the same zero, so a single multiplier does the job.
W = hp × 745.7
Going the other way? Convert watts to horsepower.
Horsepower to watts table
Values either side of 100 hp.
| Horsepower (hp) | Watts (W) |
|---|---|
| 0 | 0 |
| 10 | 7,457 |
| 20 | 14,914 |
| 30 | 22,371 |
| 40 | 29,827.99 |
| 50 | 37,284.99 |
| 60 | 44,741.99 |
| 70 | 52,198.99 |
| 80 | 59,655.99 |
| 90 | 67,112.99 |
| 100 | 74,569.99 |
| 110 | 82,026.99 |
| 120 | 89,483.98 |
| 130 | 96,940.98 |
| 140 | 104,397.98 |
| 150 | 111,854.98 |
| 160 | 119,311.98 |
| 170 | 126,768.98 |
| 180 | 134,225.98 |
| 190 | 141,682.98 |
| 200 | 149,139.97 |
Questions people ask
- How many watts are in a horsepower?
- One horsepower equals 745.7 watts.
- How do I convert horsepower to watts by hand?
- Multiply the number of horsepower by 745.7. For a rough check, 745.7 is close enough for most everyday use.
- What is 100 horsepower in watts?
- 100 horsepower is 74,569.99 watts.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.