Heat content may refer to:
*
Enthalpy
Enthalpy () is the sum of a thermodynamic system's internal energy and the product of its pressure and volume. It is a state function in thermodynamics used in many measurements in chemical, biological, and physical systems at a constant extern ...
, measure of energy in a thermodynamic system
*
Heat of combustion
The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it.
The ''calorific value'' is the total energy relea ...
, amount of heat released by combustion of a quantity of substance
*
Ocean heat content
Ocean heat content (OHC) or ocean heat uptake (OHU) is the energy absorbed and stored by oceans, and is thus an important indicator of global warming. Ocean heat content is calculated by measuring ocean temperature at many different locations and ...
, thermal energy stored in ocean water
*
Heat content (fuel), industrial term for heat energy available from a unit of fuel
{{disambiguation