Convert Millimetres per metre per kelvin to Percent per kelvin
Convert Millimetres per metre per kelvin (mm/(m·K)) to Percent per kelvin (%/K) instantly and accurately.
Conversion Formula
%/K = mm/(m·K) × 0.1
About Millimetres per metre per kelvin
The mm/(m·K) equals exactly 10⁻³ /K = 1000 ppm/K and is used in structural and civil engineering for bridge girder and pipeline thermal-expansion calculations. Steel at 0.012 mm/(m·K) expands 12 mm per 100 m track per 10 K rise. Polymers: 0.07-0.20 mm/(m·K). 1 mm/(m·K) = 10⁻³ /K = 1000 ppm/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
| Millimetres per metre per kelvin (mm/(m·K)) | Percent per kelvin (%/K) |
|---|---|
| 1 mm/(m·K) | 0.1 %/K |
| 2 mm/(m·K) | 0.2 %/K |
| 5 mm/(m·K) | 0.5 %/K |
| 10 mm/(m·K) | 1 %/K |
| 25 mm/(m·K) | 2.5 %/K |
| 50 mm/(m·K) | 5 %/K |
| 100 mm/(m·K) | 10 %/K |