| Unit | Symbol | Definition | Conversion to SI units |
| atmosphere-cubic centimetre per minute |
atm ccm |
= 1 atm x 1 cm3/min |
= 1.688 75 x 10-3 W |
| atmosphere-cubic centimetre per second |
atm ccs |
= 1 atm x 1 cm3/s |
= 0.101 325 W |
| atmosphere-cubic foot per hour |
atm cfh |
= 1 atm x 1 cu ft/h |
= 0.797 001 244 704 W |
| atmosphere-cubic foot per minute |
atm·cfm |
= 1 atm x 1 cu ft/min |
= 47.820 074 682 24 W |
| atmosphere-cubic foot per second |
atm cfs |
= 1 atm x 1 cu ft/s |
= 2.869 204 480 9344 x 103 W |
| BTU (International Table) per hour |
BTUIT/h |
= 1 BTUIT/h |
~ 0.293 071 W |
| BTU (International Table) per minute |
BTUIT/min |
= 1 BTUIT/min |
~ 17.584 264 W |
| BTU (International Table) per second |
BTUIT/s |
= 1 BTUIT/s |
= 1.055 055 852 62 x 103 W |
| calorie (International Table) per second |
calIT/s |
= 1 calIT/s |
= 4.1868 W |
| foot-pound-force per hour |
ft lbf/h |
= 1 ft lbf/h |
~ 3.766 161 x 10-4 W |
| foot-pound-force per minute |
ft lbf/min |
= 1 ft lbf/min |
= 2.259 696 580 552 334 x 10-2 W |
| foot-pound-force per second |
ft lbf/s |
= 1 ft lbf/s |
= 1.355 817 948 331 4004 W |
| horsepower (boiler) |
bhp |
~ 34.5 lb/h x 970.3 BTUIT/lb |
~ 9.810 657 x 103 W |
| horsepower (European electrical) |
hp |
= 75 kp·m/s |
= 736 W |
| horsepower (Imperial electrical) |
hp |
= 746 W |
= 746 W |
| horsepower (Imperial mechanical) |
hp |
= 550 ft lbf/s |
= 745.699 871 582 270 22 W |
| horsepower (metric) |
hp |
= 75 m kgf/s |
= 735.498 75 W |
| litre-atmosphere per minute |
L·atm/min |
= 1 atm x 1 L/min |
= 1.688 75 W |
| litre-atmosphere per second |
L·atm/s |
= 1 atm x 1 L/s |
= 101.325 W |
| lusec |
lusec |
= 1 L·µmHg/s |
~ 1.333 x 10-4 W |
| poncelet |
p |
= 100 m kgf/s |
= 980.665 W |
| square foot equivalent direct radiation |
sq ft EDR |
= 240 BTUIT/h |
~ 70.337 057 W |
| ton of air conditioning |
|
= 1 t ice melted / 24 h |
~ 3 504 W |
| ton of refrigeration (Imperial) |
|
= 1 BTUIT x 1 lng tn/lb x 10 min/s |
~ 3.938 875 x 103 W |
| ton of refrigeration (IT) |
|
= 1 BTUIT x 1 sh tn/lb x 10 min/s |
~ 3.516 853 x 103 W |
| watt (SI unit) |
W |
The power which in one second of time gives rise to one joule of energy. |
= 1 W = 1 J/s = 1 N·m/s = 1 kg·m2/s3 |
