Power Converter

Value From

Watts-

Kilowatts-

Megawatts-

Horsepower-

Metric horsepower-

BTU per hour-

Tons of refrigeration-

Conversion factors

1 kW = 1.34102 horsepower = 1.35962 metric horsepower (PS) = 3,412 BTU/h. 1 mechanical horsepower = 745.7 W. 1 ton of refrigeration = 12,000 BTU/h = 3.517 kW.

Example: a 150 kW engine makes about 201 hp.

FAQ

How many watts are in a horsepower?

One mechanical horsepower is 745.7 watts. Metric horsepower (PS, CV, pk) is slightly smaller at 735.5 watts.

What size air conditioner do I need in BTU?

Multiply kW of cooling by 3,412 to get BTU/h. A 3.5 kW unit is roughly 12,000 BTU/h (1 ton).