Convert Per degree Fahrenheit to Per millikelvin
Convert Per degree Fahrenheit (1/°F) to Per millikelvin (1/mK) instantly and accurately.
Conversion Formula
1/mK = 1/°F × 0.0018
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).
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.
Quick Reference Table
| Per degree Fahrenheit (1/°F) | Per millikelvin (1/mK) |
|---|---|
| 1 1/°F | 0.0018 1/mK |
| 2 1/°F | 0.0036 1/mK |
| 5 1/°F | 0.009 1/mK |
| 10 1/°F | 0.018 1/mK |
| 25 1/°F | 0.045 1/mK |
| 50 1/°F | 0.09 1/mK |
| 100 1/°F | 0.18 1/mK |