Linear thermal expansion

Linear thermal expansion: use initial length, expansion coefficient, temperature change. Review the formula, worked example and calculation steps.

Inputs

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RESULT
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Formula & explanation
ΔL = L₀αΔT

Variables & units

Initial length
m · minimum 0, maximum 1000000000000
Expansion coefficient
1/K · minimum 0, maximum 1000000000000
Temperature change
K · minimum -1000000000000, maximum 1000000000000

Worked example

Use the displayed example inputs, then follow the substituted values in the solution.

Assumptions

Linear approximation for a constant material coefficient.

References

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

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