Physics
Linear Thermal Expansion
Change in length with temperature.
Formula
Formula
ΔL = α L0 ΔT
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| α | expansion coefficient (1/K) | computed result | — | result |
| L₀ | original length (m) | real number (ℝ) | m | input |
| ΔT | temp change (K) | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenα (1/K) = 0.000012, L₀ (m) = 10, ΔT (K) = 50
Result0.006
Example 2
Givenα (1/K) = 0.000023, L₀ (m) = 5, ΔT (K) = 100
Result0.0115