Convert Microns per metre per degree Celsius to Percent per degree Fahrenheit
Convert Microns per metre per degree Celsius (μm/(m·°C)) to Percent per degree Fahrenheit (%/°F) instantly and accurately.
Conversion Formula
%/°F = μm/(m·°C) × 5.555555556e-5
About Microns per metre per degree Celsius
The micrometre per metre per degree Celsius (μm/(m·°C)) equals exactly 10⁻⁶ /K, since temperature intervals 1 °C = 1 K (exact). It is the standard CTE notation in European engineering datasheets, ISO material standards, and many textbooks. Numerically identical to ppm/K. Aluminium: 23.1 μm/(m·°C); steel: ≈12 μm/(m·°C). 1 μm/(m·°C) = 1 ppm/K = 10⁻⁶ /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
| Microns per metre per degree Celsius (μm/(m·°C)) | Percent per degree Fahrenheit (%/°F) |
|---|---|
| 1 μm/(m·°C) | 5.556 × 10-5 %/°F |
| 2 μm/(m·°C) | 0.000111111 %/°F |
| 5 μm/(m·°C) | 0.000277778 %/°F |
| 10 μm/(m·°C) | 0.000555556 %/°F |
| 25 μm/(m·°C) | 0.00138889 %/°F |
| 50 μm/(m·°C) | 0.00277778 %/°F |
| 100 μm/(m·°C) | 0.00555556 %/°F |