Convert Percent per kelvin to Per degree Fahrenheit
Convert Percent per kelvin (%/K) to Per degree Fahrenheit (1/°F) instantly and accurately.
Conversion Formula
1/°F = %/K × 0.005555555556
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 Per degree Fahrenheit
The per degree Fahrenheit (1/°F = °F⁻¹) equals exactly 9/5 /K = 1.8 /K and is the imperial counterpart of the SI unit. Found in ASME boiler and pressure vessel codes, ASHRAE engineering tables, and UL material data sheets. Iron: ≈6.7 × 10⁻⁶ /°F; ordinary glass: ≈4.9 × 10⁻⁶ /°F. 1 /°F = 9/5 /K (= 1/°R).
Quick Reference Table
| Percent per kelvin (%/K) | Per degree Fahrenheit (1/°F) |
|---|---|
| 1 %/K | 0.00555556 1/°F |
| 2 %/K | 0.0111111 1/°F |
| 5 %/K | 0.0277778 1/°F |
| 10 %/K | 0.0555556 1/°F |
| 25 %/K | 0.138889 1/°F |
| 50 %/K | 0.277778 1/°F |
| 100 %/K | 0.555556 1/°F |