1 W = 0.001341022089595 hp
1 Watt (W) = 0.001341022089595 Horsepower (hp).
If you want to reverse convert, use Horsepower → Watt. 1 hp = 745.69987158227 W. You can also explore the full Power converter page for more cross conversions.
Conversion formula
Watt to Horsepower formula: value in hp = value in W × 0.001341022089595.
Horsepower to Watt formula: value in W = value in hp × 745.69987158227.
How to convert Watt to Horsepower
To convert Watt to Horsepower, multiply the value in W by 0.001341022089595. This gives the result in hp.
For example, 1 W = 0.001341022089595 hp and 10 W = 0.01341022089595 hp.
What is Watt?
Watt (W): Describes energy transferred each second, such as an appliance’s power draw. 1 W = 1 J/s.
What is Horsepower?
Horsepower (hp): This is mechanical horsepower, about 745.7 W, not metric horsepower (PS). 1 hp ≈ 745.699872 W.
FAQ
How many horsepower are in 1 watt?
There are 0.001341022089595 hp in 1 W.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert watt to horsepower?
Multiply the value in W by 0.001341022089595 to get the value in hp.
Watt → other Power units
- 1 watt → kilowatt = 0.001 kilowatt
- 1 watt = 1.0E-6 megawatt
- 1 watt → milliwatt = 1000 milliwatt
- 1 watt → horsepower = 0.001341022089595 horsepower
- 1 watt → btu per hour = 3.4121416331279 btu per hour
Watt → Horsepower Table
The table below shows common values from Watt to Horsepower and the reverse direction for quick reference.
| W | hp | Rounded |
|---|---|---|
| 1 W | 0.001341022089595 hp | 0.0013 |
| 2 W | 0.0026820441791901 hp | 0.0027 |
| 3 W | 0.0040230662687851 hp | 0.0040 |
| 4 W | 0.0053640883583801 hp | 0.0054 |
| 5 W | 0.0067051104479751 hp | 0.0067 |
| 10 W | 0.01341022089595 hp | 0.0134 |
| 12 W | 0.01609226507514 hp | 0.0161 |
| 15 W | 0.020115331343925 hp | 0.0201 |
| 20 W | 0.026820441791901 hp | 0.0268 |
| 25 W | 0.033525552239876 hp | 0.0335 |
| 30 W | 0.040230662687851 hp | 0.0402 |
| 40 W | 0.053640883583801 hp | 0.0536 |
| 50 W | 0.067051104479751 hp | 0.0671 |
| 75 W | 0.10057665671963 hp | 0.1006 |
| 100 W | 0.1341022089595 hp | 0.1341 |
| 200 W | 0.26820441791901 hp | 0.2682 |
| 250 W | 0.33525552239876 hp | 0.3353 |
| 500 W | 0.67051104479751 hp | 0.6705 |
| 750 W | 1.0057665671963 hp | 1.0058 |
| 1000 W | 1.341022089595 hp | 1.3410 |
| 2500 W | 3.3525552239876 hp | 3.3526 |
| 5000 W | 6.7051104479751 hp | 6.7051 |
| 10000 W | 13.41022089595 hp | 13.4102 |
Horsepower → Watt Table
| hp | W | Rounded |
|---|---|---|
| 1 hp | 745.69987158227 W | 745.6999 |
| 2 hp | 1491.3997431645 W | 1491.3997 |
| 3 hp | 2237.0996147468 W | 2237.0996 |
| 4 hp | 2982.7994863291 W | 2982.7995 |
| 5 hp | 3728.4993579114 W | 3728.4994 |
| 10 hp | 7456.9987158227 W | 7456.9987 |
| 12 hp | 8948.3984589872 W | 8948.3985 |
| 15 hp | 11185.498073734 W | 11185.4981 |
| 20 hp | 14913.997431645 W | 14913.9974 |
| 25 hp | 18642.496789557 W | 18642.4968 |
| 30 hp | 22370.996147468 W | 22370.9961 |
| 40 hp | 29827.994863291 W | 29827.9949 |
| 50 hp | 37284.993579114 W | 37284.9936 |
| 75 hp | 55927.49036867 W | 55927.4904 |
| 100 hp | 74569.987158227 W | 74569.9872 |
| 200 hp | 149139.97431645 W | 149139.9743 |
| 250 hp | 186424.96789557 W | 186424.9679 |
| 500 hp | 372849.93579114 W | 372849.9358 |
| 750 hp | 559274.9036867 W | 559274.9037 |
| 1000 hp | 745699.87158227 W | 745699.8716 |
| 2500 hp | 1864249.6789557 W | 1864249.6790 |
| 5000 hp | 3728499.3579114 W | 3728499.3579 |
| 10000 hp | 7456998.7158227 W | 7456998.7158 |
Horsepower → Watt
The reverse value is 1 hp = 745.69987158227 W.