Units of Energy

Unit J kWh kpm PSh kcal ft lbf Btu
1 J 1 2,78E-07 0,10197 3,7767E-07 0,00023885 0,73756 0,0009478
1 kWh 3600000 1 367098 1,35962 859,85 2655200 3412,13
 Outdated Units
1 kpm 9,80665 2,7243E-06 1 3,704E-06 0,002342 7,233 0,009295
1 PSh 2647800 0,735499 270000 1 632,369 1952900 2509,6
1 kcal 4186,8 0,001163 426,935 0,001584 1 3088 3,9683
 Anglo-American Units
1 ft lbf 1,35582 3,766E-07 0,13826 5,121E-07 0,0003238 1 0,001285
1 Btu 1055,06 0,0002931 107,59 0,0003985 0,252 778,17

Abbreviations:
ft lbf = foot pound- force, Btu = British thermal unit

Other usual Units with Conversion:
1 in ozf (inch ounce- force) = 0,007062 J, 1 in lbf (inch pound- force) = 0,112985 J
1 ft pdl (foot poundal) = 0,04214 J
1 hph (horsepower hour) = 2,685 MJ = 0,7457 kWh
1 thermie (French) = 1000 frigories (French) = 1000kcal = 4,1868 MJ
1 kg SKE (units of hard coal in kg) = 7000 kcal = 29,3076 MJ = 8,141 kWh
1 t SKE (units of hard coal in tons) = 1000 kg SKE = 29,3076 GJ = 8,141 MWh
1 Gt SKE = 109 t SKE ~ 1 TWa (Terawattyear)

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