Science

Specific Heat Calculator

Energy to heat a mass by a temperature.

Enter your values

Results update instantly as you type — no submit needed.

Results
Energy required
627.9 kJ
In kilowatt hours
0.1744
In calories
150,072
Time at 2 kW
5.2 min

Quick answer

Heat energy equals mass times specific heat capacity times temperature change.

Q = m × c × ΔT

How to use the Specific Heat Calculator

  1. 1Enter the mass being heated.
  2. 2Pick the substance.
  3. 3Enter the temperature change required.

Frequently asked questions

Why does water need so much energy?

Water has an unusually high specific heat capacity.

Does phase change count?

No — melting or boiling needs latent heat on top of this.