horsepower to milliwatts
Convert horsepower (mechanical) to milliwatt — instant, free, with the formula shown.
1 hp=745699.871582 mW
How to convert horsepower (mechanical) to milliwatt
To convert horsepower (mechanical) to milliwatt, multiply by 745699.87158227:
mW = hp × 745699.87158227
For example, 10 hp × 745699.871582 = 7456998.715823 mW.
hp to mW conversion table
| horsepower (hp) | milliwatts (mW) |
|---|---|
| 1 hp | 745699.871582 mW |
| 2 hp | 1491399.743165 mW |
| 5 hp | 3728499.357911 mW |
| 10 hp | 7456998.715823 mW |
| 25 hp | 18642496.789557 mW |
| 50 hp | 37284993.579114 mW |
| 100 hp | 74569987.158227 mW |
| 250 hp | 186424967.895568 mW |
| 500 hp | 372849935.791135 mW |
| 1000 hp | 745699871.58227 mW |
Other horsepower (mechanical) conversions
Convert to milliwatt from another unit
hp to mW — frequently asked
How many milliwatts are in 1 horsepower (mechanical)?
1 horsepower (mechanical) = 745699.871582 milliwatts (hp × 745699.871582 = mW).
What is the formula to convert horsepower (mechanical) to milliwatt?
Multiply your horsepower (mechanical) value by 745699.87158227 to get milliwatt.
How do I convert 10 horsepower to milliwatts?
10 hp = 7456998.715823 mW. For 100 hp the answer is 74569987.158227 mW. Use the calculator on this page for any other value.
When to convert horsepower (mechanical) to milliwatt
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