Power converter
Watt to Horsepower (Mechanical) Converter
Converts watt to horsepower (mechanical) for power.
Result
1 W = 0.001341 hp
Also equals
Conversion formula
hp = W × 0.00134102208961 watt equals 0.0013410221 horsepower (mechanical).
Watt to Horsepower (Mechanical) table
| Watt (W) | Horsepower (Mechanical) (hp) |
|---|---|
| 0.01 | 0 |
| 0.1 | 0.0001 |
| 1 | 0.0013 |
| 2 | 0.0027 |
| 3 | 0.004 |
| 5 | 0.0067 |
| 10 | 0.0134 |
| 20 | 0.0268 |
| 50 | 0.0671 |
| 100 | 0.1341 |
| 1,000 | 1.341 |
What is Watt to Horsepower (Mechanical)?
Converting watts to horsepower is common when comparing electric motors to engines. One mechanical horsepower equals approximately 745.7 watts. The formula is hp = W ÷ 745.7. Note that metric horsepower and other horsepower definitions differ slightly.
About this conversion
This converter uses the displayed definition for watt and its recognized relationship to horsepower (mechanical). Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
Convert Watt to other power units
When to convert watts to horsepower
Use this conversion for engine ratings, motor specifications, vehicle power, lawn equipment, and machinery comparison.
Frequently asked questions
How do I convert watts to horsepower (mechanical)s?+
Enter the watts value in the converter. The result uses the defined factor 0.00134102208960 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
How many hp is 1 W?+
1 W is about 0.00134 mechanical horsepower.
How many hp is 1,000 W?+
1,000 W is about 1.34 mechanical horsepower.
What is mechanical horsepower?+
Mechanical horsepower is about 745.7 watts. It originated from James Watt's estimate of a horse's work rate.
Browse more power converters.