BTU Per Hour to Horsepower Converter
How to convert BTU per hour to horsepower
horsepower = BTU per hour ÷ 2,544.43358
To convert BTU per hour to horsepower, divide the number of BTU per hour by 2,544.43358.
1 BTU/h = 0.000393014779 hp
Examples
- One ton of refrigeration: 12,000 BTU/h ÷ 2,544.43358 = 4.71617735 hp
- 5,000 BTU/h ÷ 2,544.43358 = 1.96507389 hp
Good to know
This uses the International Table BTU, 1055.05585262 J. Air conditioner and heater ratings quoted simply in "BTU" mean BTU per hour.
This is mechanical (imperial) horsepower, 550 ft·lbf/s or about 745.7 W. Metric horsepower (PS, CV) is about 1.4% smaller at 735.49875 W, and electric motors are sometimes rated in electrical horsepower of exactly 746 W.
BTU per hour to horsepower conversion table
| BTU per hour (BTU/h) | Horsepower (hp) |
|---|---|
| 1,000 BTU/h | 0.393014779 hp |
| 5,000 BTU/h | 1.96507389 hp |
| 6,000 BTU/h | 2.35808867 hp |
| 8,000 BTU/h | 3.14411823 hp |
| 9,000 BTU/h | 3.53713301 hp |
| 10,000 BTU/h | 3.93014779 hp |
| 12,000 BTU/h | 4.71617735 hp |
| 15,000 BTU/h | 5.89522168 hp |
| 18,000 BTU/h | 7.07426602 hp |
| 24,000 BTU/h | 9.43235469 hp |
| 30,000 BTU/h | 11.7904434 hp |
| 36,000 BTU/h | 14.148532 hp |
| 48,000 BTU/h | 18.8647094 hp |
| 60,000 BTU/h | 23.5808867 hp |
| 80,000 BTU/h | 31.4411823 hp |
| 100,000 BTU/h | 39.3014779 hp |
Unit definitions
- BTU per hour (BTU/h)
- A BTU per hour is one British thermal unit of heat delivered or removed each hour, about 0.2931 watts. It is used in the United States to rate air conditioners, furnaces and heaters.
- Horsepower (hp)
- Mechanical horsepower is defined as 550 foot-pounds force per second, exactly 745.69987158227022 watts. It is used for engine and motor ratings in the United States and United Kingdom.