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Physics · Thermology

Thermal Expansion Calculator

Estimate how the size of a body changes when its temperature changes.

Expansion

Fill in the fields and see the result with the formula used.

Result

Fill in the required data to see the result.

How it works

In linear expansion: ΔL = L0 · α · ΔT.

For surface expansion use β ≈ 2α; for volumetric expansion, γ ≈ 3α.

Expansion explains bridge joints, railway tracks and gaps in metal structures.

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