Q = m·c·ΔT

Heat quantity from mass and temperature change

Heat rises with mass, specific heat and temperature change.

MINTSI
01

Inputs

Sensible energy without phase change.

Mass being heated.

Material property; water about 4.186 kJ/(kg·K) near room temperature.

Final minus initial temperature.

02

Result

Select a target and calculate.

Calculation

Q = m · c · ΔT

Heat rises with mass, specific heat and temperature change.

Understand the inputs
  • Heat quantity QSensible energy without phase change.
  • Mass mMass being heated.
  • Specific heat cMaterial property; water about 4.186 kJ/(kg·K) near room temperature.
  • Temperature change ΔTFinal minus initial temperature.
Example

1 kg water by 100 K: about 418.6 kJ.

Assumptions and limits

Constant heat capacity; phase change and losses are excluded.

Sources