500 Watts to hp
500 W ≈ 0.6705 hp
500 watts is approximately 0.6705 horsepower.
How to convert 500 W to hp
Use the formula hp = W ÷ 745.69987158227:
hp = 500 ÷ 745.69987158227hp = 0.670511
So 500 W = 0.670511 hp, or about 0.6705 hp rounded.
Rounded values and quick estimate
- Rounded to a whole number: 1 hp
- Rounded to one decimal place: 0.7 hp
- Conversion factor: 1 watt = 0.001341 horsepower
Quick mental estimate: divide by 750. For 500 W that gives about 0.6667 hp — within 1% of the exact answer. Use the exact formula when precision matters.
500 Watts in other units
- Horsepower
- 0.6705 hp
- Kilowatts
- 0.5 kW
- BTU per hour
- 1706.07 BTU/h
- Tons of refrigeration
- 0.1422 tons
500 W and nearby values
| Watts | Horsepower |
|---|---|
| 496 W | 0.6651 hp |
| 497 W | 0.6665 hp |
| 498 W | 0.6678 hp |
| 499 W | 0.6692 hp |
| 500 W | 0.6705 hp |
| 501 W | 0.6719 hp |
| 502 W | 0.6732 hp |
| 503 W | 0.6745 hp |
| 504 W | 0.6759 hp |
About watts and horsepower
Mechanical horsepower is about 745.7 watts. It is the traditional unit of engine power in the US.
Related conversions
Frequently asked questions
What is 500 Watts in hp?
500 watts is about 0.6705 horsepower (500 W ≈ 0.6705 hp).
How do you convert 500 W to hp?
Apply hp = W ÷ 745.69987158227: hp = 500 ÷ 745.69987158227, hp = 0.670511.
How many watts is 0.6705 hp?
0.6705 hp is about 499.99 watts.