Thermal Expansion Calculator

Linear and volumetric thermal expansion of a material for a temperature change.

Results

Length change—
New length—
Volume change ratio—

How to use the Thermal Expansion Calculator

  1. Enter or select: Original length, Material (α, 10⁻⁶/K), Temperature change ΔT.
  2. The results (Length change, New length, Volume change ratio) are calculated instantly as you type.
  3. Use “Copy link” to share the calculation with the same input values.

Formula

  • ΔL = α·L₀·ΔT
  • ΔV ≈ 3α·V₀·ΔT