watts to horsepower
Convert watt to horsepower (mechanical) — instant, free, with the formula shown.
1 W=0.001341 hp
How to convert watt to horsepower (mechanical)
To convert watt to horsepower (mechanical), multiply by 0.00134102:
hp = W × 0.00134102
For example, 10 W × 0.001341 = 0.01341 hp.
W to hp conversion table
| watts (W) | horsepower (hp) |
|---|---|
| 1 W | 0.001341 hp |
| 2 W | 0.002682 hp |
| 5 W | 0.006705 hp |
| 10 W | 0.01341 hp |
| 25 W | 0.033526 hp |
| 50 W | 0.067051 hp |
| 100 W | 0.134102 hp |
| 250 W | 0.335256 hp |
| 500 W | 0.670511 hp |
| 1000 W | 1.341022 hp |
Other watt conversions
Convert to horsepower (mechanical) from another unit
W to hp — frequently asked
How many horsepower are in 1 watt?
1 watt = 0.001341 horsepower (W × 0.001341 = hp).
What is the formula to convert watt to horsepower (mechanical)?
Multiply your watt value by 0.00134102 to get horsepower (mechanical).
How do I convert 10 watts to horsepower?
10 W = 0.01341 hp. For 100 W the answer is 0.134102 hp. Use the calculator on this page for any other value.
When to convert watt to horsepower (mechanical)
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
Related calculators & tools
Compound Interest Calculator
SIP, FD, and investment returns
BMI Calculator
Body Mass Index with Asian thresholds
Calorie Calculator
Daily intake, TDEE & macros
Loan EMI Calculator
Home, car & personal loan EMI
Caffeine Half-Life Calculator
How long caffeine stays in your system
Percentage Calculator
Convert marks to percentage