basic

Thermal Expansion Calculator

Length change from a temperature change.

Compute the linear thermal expansion of a solid from its original length, temperature change, and the material's linear expansion coefficient.

Daniel Oh By Daniel Oh
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

m
K

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

ΔL = α · L₀ · ΔT

In depth

Compute the linear thermal expansion of a solid from its original length, temperature change, and the material's linear expansion coefficient.