Quick Answer:
1 watt = 0.00134102 horsepower. To convert watts to horsepower, multiply the watt value by 0.00134102.
Watts and horsepower measure power in electrical, mechanical, and automotive applications.
Detailed Overview: Watts to Horsepower
A watt is the SI unit of power, equal to one joule per second. A mechanical horsepower is 745.699872 watts. 1 watt = 0.00134102 horsepower. Multiply watts by 0.00134102 for horsepower. Multiply horsepower by 745.699872 for watts. Used in electric motor ratings, car engines, and appliances.
Conversion Reference Table
1 W = 0.0013 hp, 100 W = 0.1341 hp, 500 W = 0.6705 hp, 1000 W = 1.3410 hp, 1500 W = 2.0115 hp, 5000 W = 6.7051 hp, 10000 W = 13.4102 hp
Practical Calculation Example
Convert 2,200 watts: hp = 2,200 × 0.00134102 = 2.95 hp. Reverse: 5 hp = 5 × 745.699872 = 3,728.50 W
Key Takeaways
1 watt = 0.00134102 horsepower. 1 horsepower = 745.699872 watts. Multiply watts by 0.00134102.
THE AUTORANK Editorial Note: Electric motors and combustion engines use different horsepower definitions, so always confirm which standard applies.
Frequently Asked Questions
Q: How do I convert watts to horsepower quickly?
A: Divide the watt value by 746 for a fast estimate. Example: 1,500 W / 746 = 2.01 hp.
A: Divide the watt value by 746 for a fast estimate. Example: 1,500 W / 746 = 2.01 hp.
Q: Is 1 horsepower exactly 746 watts?
A: No, 1 mechanical horsepower equals 745.699872 watts. 746 is a rounded approximation.
A: No, 1 mechanical horsepower equals 745.699872 watts. 746 is a rounded approximation.
The watt to horsepower factor of 0.00134102 is essential for comparing electric and combustion power.
Related Converters: Joules to Calories | PSI to Bar