Convert Per kelvin to Microns per metre per degree Celsius
Convert Per kelvin (1/K) to Microns per metre per degree Celsius (μm/(m·°C)) instantly and accurately.
Conversion Formula
μm/(m·°C) = 1/K × 1000000
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 Microns per metre per degree Celsius
The micrometre per metre per degree Celsius (μm/(m·°C)) equals exactly 10⁻⁶ /K, since temperature intervals 1 °C = 1 K (exact). It is the standard CTE notation in European engineering datasheets, ISO material standards, and many textbooks. Numerically identical to ppm/K. Aluminium: 23.1 μm/(m·°C); steel: ≈12 μm/(m·°C). 1 μm/(m·°C) = 1 ppm/K = 10⁻⁶ /K.
Quick Reference Table
| Per kelvin (1/K) | Microns per metre per degree Celsius (μm/(m·°C)) |
|---|---|
| 1 1/K | 1000000 μm/(m·°C) |
| 2 1/K | 2000000 μm/(m·°C) |
| 5 1/K | 5000000 μm/(m·°C) |
| 10 1/K | 10000000 μm/(m·°C) |
| 25 1/K | 25000000 μm/(m·°C) |
| 50 1/K | 50000000 μm/(m·°C) |
| 100 1/K | 100000000 μm/(m·°C) |