Convert Per kelvin to Millimetres per metre per degree Celsius
Convert Per kelvin (1/K) to Millimetres per metre per degree Celsius (mm/(m·°C)) instantly and accurately.
Conversion Formula
mm/(m·°C) = 1/K × 1000
About Per kelvin
The per kelvin (1/K = K⁻¹) is the SI unit for linear thermal expansion coefficient (α = (1/L) dL/dT). Used in NIST databases, FEA material cards, and thermodynamics textbooks. Liquid mercury: ≈6.1 × 10⁻⁵ /K; aluminium: ≈2.3 × 10⁻⁵ /K; fused silica: ≈5.5 × 10⁻⁷ /K. 1 /K = 10⁶ ppm/K = 1/°C.
About Millimetres per metre per degree Celsius
The millimetre per metre per degree Celsius (mm/(m·°C)) equals exactly 10⁻³ /K = 1 mm/(m·K), since temperature intervals 1 °C = 1 K (exact). Used in European structural engineering, EN standards, and civil/mechanical design codes for expansion joint sizing. Steel rail: 0.012 mm/(m·°C); aluminium curtain wall: 0.023 mm/(m·°C). 1 mm/(m·°C) = 10⁻³ /K = 1 mm/(m·K).
Quick Reference Table
| Per kelvin (1/K) | Millimetres per metre per degree Celsius (mm/(m·°C)) |
|---|---|
| 1 1/K | 1000 mm/(m·°C) |
| 2 1/K | 2000 mm/(m·°C) |
| 5 1/K | 5000 mm/(m·°C) |
| 10 1/K | 10000 mm/(m·°C) |
| 25 1/K | 25000 mm/(m·°C) |
| 50 1/K | 50000 mm/(m·°C) |
| 100 1/K | 100000 mm/(m·°C) |