Convert Energy Unit between BTU, Calorie, Kilocalorie, Joule, Electronvolt, Erg, Foot Pound, Foot Poundal, Gram Calorie, Hartree, Horsepower Hour, Inch Ounce, Inch Pound, Watthour, Wattsecond, Kilowatt Hour, Newton Meter, Therm, Thermie, Tonne of Coal equivalent, Tonne of Oil equivalent, Gallon of Diesel, Gallon of Gasoline, Gallon of Kerosene, Gallon of residual oil and other 70 different energy measurement units |