Convert Boiler Horsepower to Watts
Convert Boiler Horsepower (BHP) to Watts (W) instantly and accurately.
Conversion Formula
W = BHP × 9810.554074
About Boiler Horsepower
One boiler horsepower (BHP) ≈ 9,810 W = 33,475 BTU/h - the power to evaporate 34.5 lb of water per hour at 212°F, standardised by ASME for rating steam boilers. A small office building needs 10-50 BHP; a hospital or large plant 200-2,000 BHP. Critically, 1 BHP is ~13.1× larger than 1 mechanical horsepower (746 W) - a dangerous confusion when specifying heating equipment. 1 BHP ≈ 9,810.6 W.
About Watts
The watt (W) is the SI unit of power - 1 J/s - named after James Watt (1736-1819). Familiar power levels: smartphone charging 5-65 W; laptop 15-100 W; microwave 700-1,200 W; electric kettle 2,000-3,000 W; human resting metabolism ~80 W; peak sprint ~2,000 W. The now-obsolete 100 W incandescent bulb is replaced by a 10-15 W LED producing the same light. In AC circuits, reactive power uses the var and apparent power the VA, both derived from watts. 1 W = 1 J/s = 1 kg·m²/s³.
Quick Reference Table
| Boiler Horsepower (BHP) | Watts (W) |
|---|---|
| 1 BHP | 9810.55 W |
| 2 BHP | 19621.1 W |
| 5 BHP | 49052.8 W |
| 10 BHP | 98105.5 W |
| 25 BHP | 245264 W |
| 50 BHP | 490528 W |
| 100 BHP | 981055 W |