Horsepower (Mechanical) to BTU per hour converter

To convert horsepower (Mechanical) to BTU per hour, enter the value in the first field. The result in BTU per hour is calculated automatically using the exact conversion factor.

1 hp ≈ 2544.43357764 BTU/h
1 BTU/h ≈ 0.000393014778922 hp

Formula: BTU/h ≈ hp × 2544.43357764
hp ≈ BTU/h × 0.000393014778922

Definitions: 1 hp = 745.699871582 W; 1 BTU/h = 52752792631/180000000000 W

The mechanical (imperial) horsepower (hp) is 550 foot-pounds per second, about 745.7 watts. It is the horsepower quoted for cars and engines in the United States and the United Kingdom, and the unit goes back to James Watt.

The BTU per hour (BTU/h) is a rate of heat flow of about 0.293 watts. It is used in the United States for the heating and cooling capacity of furnaces, boilers and air conditioners.

See the conversion table with commonly used values, handy for quick reference or study.