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Power unit conversion table

This table contains conversions between almost all power(heat flow rate) units. Some units of power(heat flow rate) are common and some are relatively rare. This is a good query tool. Power Converter

Name of unitSymbolDefinitionRelation to SI units
atmosphere-cubic centimetre per minuteatm ccm ≡ 1 atm × 1 cm 3/min= 6997168875000000000♠1.688 75×10 −3 W
atmosphere-cubic centimetre per secondatm ccs ≡ 1 atm × 1 cm 3/s= 6999101325000000000♠0.101 325 W
atmosphere-cubic footper houratm cfh ≡ 1 atm × 1 cu ft/h= 6999797001247040000♠0.797 00124704 W
atmosphere-cubic foot per minuteatm cfm ≡ 1 atm × 1 cu ft/min= 7001478200746822400♠47.820 07468224 W
atmosphere-cubic foot per secondatm cfs ≡ 1 atm × 1 cu ft/s= 7003286920448093440♠2.869 2044809344×10 3 W
BTU(International Table) per hourBTU IT/h≡ 1 BTU IT/h≈ 6999293071000000000♠0.293 071 W
BTU (International Table) per minuteBTU IT/min≡ 1 BTU IT/min≈ 7001175842640000000♠17.584 264 W
BTU (International Table) per secondBTU IT/s≡ 1 BTU IT/s= 7003105505585262000♠1.055 05585262×10 3 W
calorie(International Table) per secondcal IT/s≡ 1 cal IT/s= 7000418680000000000♠4.1868 W
erg per seconderg/s≡ 1 erg/s= 6993100000000000000♠10 −7 W
foot- pound-forceper hourft·lbf/h≡ 1 ft lbf/h≈ 6996376616100000000♠3.766 161×10 −4 W
foot-pound-force per minuteft·lbf/min≡ 1 ft lbf/min= 6998225969658055233♠2.259 696580552334×10 −2 W
foot-pound-force per secondft·lbf/s≡ 1 ft lbf/s= 7000135581794833140♠1.355 8179483314004 W
horsepower(boiler)hp≈ 34.5 lb/h × 970.3 BTU IT/lb≈ 7003980950000000000♠9 809.5 W
horsepower (European electrical)hp≡ 75 kp·m/s= 7002736000000000000♠736 W[ citation needed]
horsepower (electrical)hp≡ 746 W= 7002746000000000000♠746 W
horsepower (mechanical)hp≡ 550 ft·lbf/s = 7002745699871582270♠745.699 87158227022 W
horsepower (metric)hp or PS≡ 75 m·kgf/s= 7002735498750000000♠735.498 75 W
litre-atmosphere per minuteL·atm/min≡ 1 atm × 1 L/min= 7000168875000000000♠1.688 75 W
litre-atmosphere per secondL·atm/s≡ 1 atm × 1 L/s= 7002101325000000000♠101.325 W
luseclusec≡ 1 L·µmHg/s ≈ 6996133300000000000♠1.333 ×10 −4 W
ponceletp≡ 100 m·kgf/s= 7002980665000000000♠980.665 W
square foot equivalent direct radiationsq ft EDR≡ 240 BTU IT/h≈ 7001703370570000000♠70.337 057 W
tonof air conditioning ≡ 7002907184740000000♠2000 lbof ice melted / 24 h≈ 7003350400000000000♠3504 W
ton of refrigeration (imperial) ≡ 7003101604690880000♠2240 lb× ice IT/ 24 h: ice IT= 144 °F × 2326 J/kg·°F≈ 7003393887500000000♠3.938 875×10 3 W
ton of refrigeration(IT) ≡ 7002907184740000000♠2000 lb× ice IT/ 24 h: ice IT= 144 °F × 2326 J/kg·°F≈ 7003351685299999999♠3.516 853×10 3 W
watt(SI unit)WThe power which in one second of time gives rise to one joule of energy. = 7000100000000000000♠1 W= 1 J/s = 1 N·m/s = 1 kg·m 2/s 3