1 horsepower to watts
Convert horsepower to watts instantly with this free horsepower to watts converter. Enter any value to get an accurate power conversion, plus the formula, the conversion factor and a full reference table.
What is 1 horsepower in watts?
1 horsepower is equal to 745.699872 watts.
1 × 745.699872 = 745.699872 watts
Result
1 horsepower = 745.6998716 watts
Horsepower to Watts formula
W = hp × 745.699872
The horsepower to watts conversion factor is 745.699871582 (rounded). 1 horsepower = 745.699871582 watts, and 1 watt = 0.00134102209 horsepower.
Regional note. Mechanical horsepower (745.7 W) and metric horsepower / PS (735.5 W) differ by about 1.4%. This page uses mechanical horsepower.
Worked examples
- 2 horsepower = 1,491.39974 watts — 2 × 745.699872 = 1,491.39974 watts
- 6 horsepower = 4,474.19923 watts — 6 × 745.699872 = 4,474.19923 watts
- 10 horsepower = 7,456.99872 watts — 10 × 745.699872 = 7,456.99872 watts
Horsepower to Watts conversion table
Every value below is calculated with the exact conversion factor and rounded for display.
| Horsepower (hp) | Watts (W) |
|---|---|
| 1 hp | 745.69987 W |
| 2 hp | 1,491.3997 W |
| 3 hp | 2,237.0996 W |
| 4 hp | 2,982.7995 W |
| 5 hp | 3,728.4994 W |
| 6 hp | 4,474.1992 W |
| 7 hp | 5,219.8991 W |
| 8 hp | 5,965.599 W |
| 9 hp | 6,711.2988 W |
| 10 hp | 7,456.9987 W |
| 12 hp | 8,948.3985 W |
| 15 hp | 11,185.498 W |
| 20 hp | 14,913.997 W |
| 25 hp | 18,642.497 W |
| 30 hp | 22,370.996 W |
| 50 hp | 37,284.994 W |
| 75 hp | 55,927.49 W |
| 100 hp | 74,569.987 W |
| 500 hp | 372,849.94 W |
| 1,000 hp | 745,699.87 W |
Common horsepower values
Related conversions
Frequently asked questions
- What is 1 horsepower in watts?
- 1 horsepower is equal to 745.699872 watts.
- How many horsepower are in one watt?
- There are 0.001341022 horsepower in 1 watt.
- How do you convert horsepower to watts?
- Multiply the number of horsepower by 745.699872 — or use the formula W = hp × 745.699872.
- What is 6 horsepower in watts?
- 6 horsepower is 4,474.19923 watts. 6 × 745.699872 = 4,474.19923 watts.
- Is the horsepower to watts conversion exact?
- The factor 745.699871582 is a rounded value because at least one of these units is defined by measurement rather than by an exact definition.
- Does this use US or Imperial watts?
- Mechanical horsepower (745.7 W) and metric horsepower / PS (735.5 W) differ by about 1.4%. This page uses mechanical horsepower.