Enthalpy [Mass]

unit name	symbol	SI equiv.
kilojoule per kilogram	kJ/kg	1 kJ/kg
joule per kilogram	J/kg	1e-03 kJ/kg
kilocalorie per kilogram	kcal/kg	4.1868 kJ/kg
calorie per gram	cal/g	4.1868 kJ/kg
British termal units per pound	Btu/lb	2.32601 kJ/kg