How to Convert Watts to Horsepower
To convert watts to horsepower, divide the value by 745.7.
The Formula
Horsepower = Watts ÷ 745.7
Key Fact
1 horsepower = 745.7 watts
Tip: To convert horsepower back to watts, multiply by 745.7.
Watts to Horsepower
Convert watts (W) to horsepower (hp) with formulas, examples, and conversion tables.
W
hp
1 W = 0.0013 hp
Full precision:0.00134102 hp
Step-by-Step Solution
To convert 1 watts to horsepower, we divide by 745.7 because one horsepower equals exactly 745.7 watts.
1 horsepower = 745.7 watts
Since there are 745.7 watts in every horsepower, we divide our value by this factor:
1 ÷ 745.7 = 0.0013 horsepower
So 1 watts = 0.0013 horsepower.
Quick check: 0.0013 × 745.7 = 1 watts
Example Conversions
Example 1: 1 W = 0.0013 hp
1 ÷ 745.7 = 0.0013
1 ÷ 745.7 = 0.0013
Example 2: 5 W = 0.0067 hp
5 ÷ 745.7 = 0.0067
5 ÷ 745.7 = 0.0067
Example 3: 10 W = 0.0134 hp
10 ÷ 745.7 = 0.0134
10 ÷ 745.7 = 0.0134
Watts to Horsepower Table
| Watts | Horsepower |
|---|---|
| 1 W | 0.0013 hp |
| 2 W | 0.0027 hp |
| 5 W | 0.0067 hp |
| 10 W | 0.0134 hp |
| 20 W | 0.0268 hp |
| 25 W | 0.0335 hp |
| 50 W | 0.0671 hp |
| 100 W | 0.1341 hp |
| 250 W | 0.3353 hp |
| 500 W | 0.6705 hp |
| 1000 W | 1.341 hp |
1 Watt in Other Units
| Unit | 1 W = |
|---|---|
| Watts to Kilowatts | 0.001 kW |
| Watts to Megawatts | 0.000001 MW |
| Watts to Gigawatts | 1e-9 GW |
| Watts to Milliwatts | 1000 mW |
| Watts to Horsepower | 0.001341 hp |
| Watts to Metric Horsepower | 0.00136 PS |
| Watts to BTU/hour | 3.4121 BTU/h |
| Watts to Foot-pounds/second | 0.737561 ft·lb/s |
| Watts to Calories/second | 0.239006 cal/s |