POWER CONVERSION
Mechanical horsepower to Watt.
Convert mechanical horsepower (hp) to watt (W), with the math explained.
1 hp = 745.6998716 W
THE MATH, MADE SIMPLE
How to convert mechanical horsepower to watt
Multiply your mechanical horsepower value by 745.699871582 to get the equivalent in watt. Both units are normalized through the watt.
W = hp × 745.699871610 hp = 7,456.99871582 W
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
hp to W conversion table
| Mechanical horsepower (hp) | Watt (W) |
|---|---|
| 1 hp | 745.699871582 W |
| 2 hp | 1,491.39974316 W |
| 5 hp | 3,728.49935791 W |
| 10 hp | 7,456.99871582 W |
| 20 hp | 14,913.9974316 W |
| 50 hp | 37,284.9935791 W |
| 100 hp | 74,569.9871582 W |
| 500 hp | 372,849.935791 W |
| 1,000 hp | 745,699.871582 W |
About the mechanical horsepower
The mechanical horsepower (hp) is a unit of power. One mechanical horsepower equals 745.699871582 watt (base unit) in this calculator.
All mechanical horsepower conversionsAbout the watt
The watt (W) is a unit of power. One watt equals 1 watt (base unit) in this calculator.
All watt conversionsCommon questions
What is 1 hp in W?
One mechanical horsepower equals 745.699871582 W. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
BROWSE BY UNIT