Convert Millimetres per metre per degree Fahrenheit to Microinches per inch per degree Fahrenheit
Convert Millimetres per metre per degree Fahrenheit (mm/(m·°F)) to Microinches per inch per degree Fahrenheit (μin/(in·°F)) instantly and accurately.
Conversion Formula
μin/(in·°F) = mm/(m·°F) × 1000
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 Microinches per inch per degree Fahrenheit
The microinch per inch per degree Fahrenheit (μin/(in·°F)) equals exactly 9/5 × 10⁻⁶ /K = 1 ppm/°F. It is the native US CTE unit in ASTM E228 and ASTM E831 standards; most US material datasheets list CTE values in this unit. Steel: ≈6.7 μin/(in·°F); aluminium: ≈12.8 μin/(in·°F); titanium: ≈4.9 μin/(in·°F). 1 μin/(in·°F) = 1 ppm/°F.
Quick Reference Table
| Millimetres per metre per degree Fahrenheit (mm/(m·°F)) | Microinches per inch per degree Fahrenheit (μin/(in·°F)) |
|---|---|
| 1 mm/(m·°F) | 1000 μin/(in·°F) |
| 2 mm/(m·°F) | 2000 μin/(in·°F) |
| 5 mm/(m·°F) | 5000 μin/(in·°F) |
| 10 mm/(m·°F) | 10000 μin/(in·°F) |
| 25 mm/(m·°F) | 25000 μin/(in·°F) |
| 50 mm/(m·°F) | 50000 μin/(in·°F) |
| 100 mm/(m·°F) | 100000 μin/(in·°F) |