Power Converter

Convert between common power units in real time — watts, horsepower, BTU per hour, tons of refrigeration, and more.

All conversions are computed on the client using double precision. Factors use IT / thermochemical definitions where applicable.

Value
Result
Precision: adaptive
Reference factors (to watts): hp (mechanical) = 745.699871582 W · hp (metric/PS) = 735.49875 W · hp (electric) = 746 W · 1 BTU/h = 0.29307107 W · 1 TR = 3516.852842 W · 1 cal/s = 4.184 W · 1 kcal/h = 1.16222222 W · 1 ft⋅lbf/s = 1.355817948 W.