Convert Millimetres per metre per kelvin to Per degree Fahrenheit
Convert Millimetres per metre per kelvin (mm/(m·K)) to Per degree Fahrenheit (1/°F) instantly and accurately.
Conversion Formula
1/°F = mm/(m·K) × 0.0005555555556
About Millimetres per metre per kelvin
The mm/(m·K) equals exactly 10⁻³ /K = 1000 ppm/K and is used in structural and civil engineering for bridge girder and pipeline thermal-expansion calculations. Steel at 0.012 mm/(m·K) expands 12 mm per 100 m track per 10 K rise. Polymers: 0.07-0.20 mm/(m·K). 1 mm/(m·K) = 10⁻³ /K = 1000 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
| Millimetres per metre per kelvin (mm/(m·K)) | Per degree Fahrenheit (1/°F) |
|---|---|
| 1 mm/(m·K) | 0.000555556 1/°F |
| 2 mm/(m·K) | 0.00111111 1/°F |
| 5 mm/(m·K) | 0.00277778 1/°F |
| 10 mm/(m·K) | 0.00555556 1/°F |
| 25 mm/(m·K) | 0.0138889 1/°F |
| 50 mm/(m·K) | 0.0277778 1/°F |
| 100 mm/(m·K) | 0.0555556 1/°F |