Convert Per millikelvin to Microinches per inch per degree Fahrenheit
Convert Per millikelvin (1/mK) to Microinches per inch per degree Fahrenheit (μin/(in·°F)) instantly and accurately.
Conversion Formula
μin/(in·°F) = 1/mK × 555555555.6
About Per millikelvin
The per millikelvin (1/mK) equals exactly 10³ /K and is encountered in cryogenic physics where working temperatures lie in the millikelvin range. Near quantum phase transitions and magnetic ordering temperatures, anomalous CTE values can reach orders far above room-temperature CTE. 1 /mK = 10³ /K = 10⁹ ppm/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
| Per millikelvin (1/mK) | Microinches per inch per degree Fahrenheit (μin/(in·°F)) |
|---|---|
| 1 1/mK | 555556000 μin/(in·°F) |
| 2 1/mK | 1.111 × 109 μin/(in·°F) |
| 5 1/mK | 2.778 × 109 μin/(in·°F) |
| 10 1/mK | 5.556 × 109 μin/(in·°F) |
| 25 1/mK | 1.389 × 1010 μin/(in·°F) |
| 50 1/mK | 2.778 × 1010 μin/(in·°F) |
| 100 1/mK | 5.556 × 1010 μin/(in·°F) |