Convert Microns per metre per degree Celsius to Per degree Fahrenheit
Convert Microns per metre per degree Celsius (μm/(m·°C)) to Per degree Fahrenheit (1/°F) instantly and accurately.
Conversion Formula
1/°F = μm/(m·°C) × 5.555555556e-7
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 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
| Microns per metre per degree Celsius (μm/(m·°C)) | Per degree Fahrenheit (1/°F) |
|---|---|
| 1 μm/(m·°C) | 5.556 × 10-7 1/°F |
| 2 μm/(m·°C) | 1.111 × 10-6 1/°F |
| 5 μm/(m·°C) | 2.778 × 10-6 1/°F |
| 10 μm/(m·°C) | 5.556 × 10-6 1/°F |
| 25 μm/(m·°C) | 1.389 × 10-5 1/°F |
| 50 μm/(m·°C) | 2.778 × 10-5 1/°F |
| 100 μm/(m·°C) | 5.556 × 10-5 1/°F |