Science & engineering

Specific heat energy calculator

Estimate energy for a temperature change without a phase transition.

Specific heat energy calculator
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A clear answer. Here’s how.

Heat energy Q = mass × specific heat capacity × temperature change. A Celsius temperature difference equals a kelvin difference. Assumes constant specific heat and no phase change; excludes losses to the environment.

See a worked example

Worked example

A fixed demonstration, separate from the values you enter above.

Mass (kg)
1
Specific heat capacity (J/kg·K)
4184
Temperature change (K or °C difference)
20

Example result

Energy change (J)
83,680
Energy change (kJ)
83.68