Thermal Expansion Calculator

Calculate linear, area, and volumetric thermal expansion. Find dimension changes with temperature.

Expansion Type

Material

Initial Size (m)

Coefficient (×10⁻⁶ /°C)

Initial Temperature (°C)

Final Temperature (°C)

Expansion Results

1 m

Initial Size

1.001848 m

Final Size

+1.8480e-3 m

Change (Δ)

+0.1848%

Percent Change

80°C

Temperature Change

Linear Expansion Coefficients

Aluminum:23.1

Brass:19

Copper:16.5

Gold:14.2

Iron:11.8

Lead:28.9

Silver:18.9

Steel:11

Tungsten:4.5

Zinc:30.2

Glass:9

Concrete:12

Values in ×10⁻⁶ /°C

Linear: ΔL = L₀αΔT

Area: ΔA ≈ A₀(2α)ΔT

Volume: ΔV ≈ V₀(3α)ΔT

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