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Calculation Machine

Specific Heat Calculator

Energy to heat a mass by a temperature.

Reviewed by the Calculation Machine team · How we check our maths

Your values

ⓘ Live results

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.

The formula

Q = m × c × ΔT

Worked example

Worked example

Using the values the calculator loads with.

Inputs

  • Mass2.5 kg
  • SubstanceWater
  • Temperature change60 °C

Result

  • Energy required627.9 kJ
  • In kilowatt hours0.1744
  • In calories150,072
  • Time at 2 kW5.2 min

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.

About this calculator