Convert Millimetres per metre per degree Fahrenheit to Per degree Fahrenheit
Convert Millimetres per metre per degree Fahrenheit (mm/(m·°F)) to Per degree Fahrenheit (1/°F) instantly and accurately.
Conversion Formula
1/°F = mm/(m·°F) × 0.001
About Millimetres per metre per degree Fahrenheit
The mm/(m·°F) equals 9/5 × 10⁻³ /K ≈1.8 × 10⁻³ /K, combining metric displacement with Fahrenheit temperature. It appears in US-origin pipeline and structural reports where dimensions are given in metres but temperatures in °F. Steel: ≈0.00667 mm/(m·°F); aluminium: ≈0.01283 mm/(m·°F). 1 mm/(m·°F) = 9/5 × 10⁻³ /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 degree Fahrenheit (mm/(m·°F)) | Per degree Fahrenheit (1/°F) |
|---|---|
| 1 mm/(m·°F) | 0.001 1/°F |
| 2 mm/(m·°F) | 0.002 1/°F |
| 5 mm/(m·°F) | 0.005 1/°F |
| 10 mm/(m·°F) | 0.01 1/°F |
| 25 mm/(m·°F) | 0.025 1/°F |
| 50 mm/(m·°F) | 0.05 1/°F |
| 100 mm/(m·°F) | 0.1 1/°F |