ΔL ≈ L₀ × α × ΔT with common approximate coefficients.
Linear expansion ΔL ≈ L₀ × α × ΔT. Coefficients are approximate (alloy, temper, and filler affect real parts). Use for gap/slot planning in DIY and vehicle interior–ambient swings.
ΔL: 0.483 mm (~483 μm)
α used: 2.30e-5 /°C
Thermal Expansion Gap Calculator helps you δl ≈ l₀ × α × δt with common approximate coefficients. It is commonly used by engineers, lab users, field operators for thermal expansion, gap calculator, aluminum alpha.
Materials
Coefficients are approximate bulk values; alloys, fiber direction, fillers, and temperature range change real behavior. Use for slot/gap intuition, not safety-critical structural design without validation.