Convert Percent per degree Fahrenheit to Percent per kelvin
Convert Percent per degree Fahrenheit (%/°F) to Percent per kelvin (%/K) instantly and accurately.
Conversion Formula
%/K = %/°F × 1.8
About Percent per degree Fahrenheit
The %/°F equals 9/5 × 10⁻² /K ≈ 0.018 /K, the Fahrenheit percent-expansion unit used in US polymer and rubber industry specifications. PTFE: ≈0.0075 %/°F; HDPE: ≈0.0083 %/°F; silicone rubber: ≈0.056 %/°F. 1 %/°F = 9/5 × 10⁻² /K ≈1.8 %/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
| Percent per degree Fahrenheit (%/°F) | Percent per kelvin (%/K) |
|---|---|
| 1 %/°F | 1.8 %/K |
| 2 %/°F | 3.6 %/K |
| 5 %/°F | 9 %/K |
| 10 %/°F | 18 %/K |
| 25 %/°F | 45 %/K |
| 50 %/°F | 90 %/K |
| 100 %/°F | 180 %/K |