UnitFlip

BTU per Hour to Mechanical Horsepower Converter

1 BTU per hour ≈ 0.000393014779 mechanical horsepower

From
To

Metric horsepower (PS) is a different unit, about 1.4% smaller.

Result

1 BTU per hour equals 0.000393015 mechanical horsepower

How to convert BTU per hour to mechanical horsepower

Power is energy transferred per time: 1 W = 1 J/s. Mechanical, metric and electrical horsepower have different definitions; select the version stated on the equipment rating.

Formula
hp = BTU/h × 0.0003930147789

One BTU per hour is 0.0003930147789 mechanical horsepower, so a single multiplication converts any value.

Example
0.00393015 hp ≈ 10 × 0.0003930147789

Metric horsepower (PS) is a different unit, about 1.4% smaller.

BTU per hour to mechanical horsepower conversion table

Common values in BTU per hour, converted to mechanical horsepower.

BTU per hour converted to mechanical horsepower
BTU per hour (BTU/h)Mechanical horsepower (hp)
10.00039301478
20.00078602956
30.0011790443
40.0015720591
50.0019650739
100.0039301478
200.0078602956
250.0098253695
500.019650739
1000.039301478
2500.098253695
5000.19650739
1,0000.39301478

About these units

BTU per hourBTU/h

The US rating unit for heating and air-conditioning capacity.

mechanical horsepowerhp

Exactly 550 foot-pounds per second: about 745.7 watts. The US and UK engine unit.

Sources and precision

Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.