Convert Microns per metre per degree Celsius to Percent per kelvin
Convert Microns per metre per degree Celsius (μm/(m·°C)) to Percent per kelvin (%/K) instantly and accurately.
Conversion Formula
%/K = μm/(m·°C) × 1.000000000e-4
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.
About Percent per kelvin
The %/K equals exactly 10⁻² /K = 10 000 ppm/K and is used for high-CTE materials such as polymers, foams, and rubber. PTFE: ≈0.0135 %/K; HDPE: ≈0.015 %/K; natural rubber: ≈0.06 %/K; silicone rubber: ≈0.10 %/K. 1 %/K = 10⁻² /K = 10 mm/(m·K) = 10 000 ppm/K.
Quick Reference Table
| Microns per metre per degree Celsius (μm/(m·°C)) | Percent per kelvin (%/K) |
|---|---|
| 1 μm/(m·°C) | 1 × 10-4 %/K |
| 2 μm/(m·°C) | 0.0002 %/K |
| 5 μm/(m·°C) | 0.0005 %/K |
| 10 μm/(m·°C) | 0.001 %/K |
| 25 μm/(m·°C) | 0.0025 %/K |
| 50 μm/(m·°C) | 0.005 %/K |
| 100 μm/(m·°C) | 0.01 %/K |