Converters
Power converter
Convert watts, kilowatts, horsepower (hp and PS), BTU/h and kcal/h in an instant.
- Instant
- Free
- Private (processed locally)
- No sign-up
Convert power in an instant
Type a value in any field — W, kW, hp, PS, BTU/h, kcal/h — and read all equivalents. Ideal for engines, AC and appliances.
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Pick a unit
kW, hp, BTU/h…
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Type a value
The others compute themselves.
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Read the references
Equivalence table.
Key equivalents
- 1 kW = 1,000 W
- 1 hp ≈ 745.7 W
- 1 PS ≈ 735.5 W
- 1 kW ≈ 3,412 BTU/h
Some references
| Device | W | hp |
|---|---|---|
| LED bulb | 9 | 0.012 |
| 1 PS | 735.5 | 0.986 |
| Kettle | 2,000 | 2.68 |
| Small car | 73,550 | 98.6 |
100% local and instant conversion. No data transmitted.
Frequently asked questions
How many watts in a horsepower?
1 mechanical hp = 745.7 W. 1 metric horsepower (PS) = 735.5 W. 1 kW = 1.341 hp = 1.360 PS.
hp or PS, what is the difference?
The Anglo-Saxon “hp” equals 745.7 W; the “PS” (metric horsepower) equals 735.5 W. Car spec sheets in Europe often use PS.
What is BTU/h for?
BTU/h measures the power of air conditioners and heaters (mainly in the US). 1 kW ≈ 3,412 BTU/h.
Is my data uploaded?
No. The conversion is instant and purely local, with no network calls.