1 kilogram force·m/s (kgf·m/s) = 9.80665 watts (w)
1 meter horsepower (hp) = 735.499 watts (W)
1 cal/second (cal/s) = 4.1868 watts (W) 1 British thermal unit/hour (Btu/h) = 0.293071 watts (W)
1 kilowatt (kW) = 3.6×10^6 Joules (J)/hour (h)