Convert Percent per kelvin to ppm per kelvin
Convert Percent per kelvin (%/K) to ppm per kelvin (ppm/K) instantly and accurately.
Conversion Formula
ppm/K = %/K × 10000
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.
About ppm per kelvin
The ppm/K (= μm/(m·K) exactly) equals 10⁻⁶ /K and is the universal CTE unit in international materials standards (ISO, EN, DIN). Aluminium: 23.1 ppm/K; steel: ≈12 ppm/K; ordinary glass: ≈9 ppm/K; fused silica: 0.55 ppm/K; Invar: ≈1.2 ppm/K. 1 ppm/K = 10⁻⁶ /K.
Quick Reference Table
| Percent per kelvin (%/K) | ppm per kelvin (ppm/K) |
|---|---|
| 1 %/K | 10000 ppm/K |
| 2 %/K | 20000 ppm/K |
| 5 %/K | 50000 ppm/K |
| 10 %/K | 100000 ppm/K |
| 25 %/K | 250000 ppm/K |
| 50 %/K | 500000 ppm/K |
| 100 %/K | 1000000 ppm/K |