Convert Percent per kelvin to Percent per degree Fahrenheit

Convert Percent per kelvin (%/K) to Percent per degree Fahrenheit (%/°F) instantly and accurately.

Percent per kelvin (%/K)
Percent per degree Fahrenheit (%/°F)

Conversion Formula

%/°F = %/K × 0.5555555556

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 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.

Quick Reference Table

Percent per kelvin (%/K)Percent per degree Fahrenheit (%/°F)
1 %/K0.555556 %/°F
2 %/K1.11111 %/°F
5 %/K2.77778 %/°F
10 %/K5.55556 %/°F
25 %/K13.8889 %/°F
50 %/K27.7778 %/°F
100 %/K55.5556 %/°F

→ Full Thermal Expansion Converter