Heat capacity Heat capacity, or thermal capacity, is a measurable physical quantity equal to the ratio of the heat added to (or removed from) an object to the resulting temperature change. The SI unit of heat capacity is joule per kelvin and the dimensional form is L2MT?2??1. [Wikipedia: https://en.wikipedia.org/wiki/Heat_capacity] Thermodynamics QUDT http://qudt.org/vocab/quantity#Heatcapacity ODM2 Units Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of the Unit or the more general quantity that the Unit represents.