Convert Per millikelvin to ppb per degree Fahrenheit
Convert Per millikelvin (1/mK) to ppb per degree Fahrenheit (ppb/°F) instantly and accurately.
Conversion Formula
ppb/°F = 1/mK × 555555555600
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 ppb per degree Fahrenheit
The ppb/°F equals 9/5 × 10⁻⁹ /K ≈1.8 × 10⁻⁹ /K, the Fahrenheit counterpart of ppb/K. Used when ultra-low-expansion glass ceramics are characterised in US laboratories using Fahrenheit protocols. Zerodur at ±0.02 ppb/K ≈ ±0.011 ppb/°F. 1 ppb/°F = 9/5 × 10⁻⁹ /K ≈1.8 ppb/K.
Quick Reference Table
| Per millikelvin (1/mK) | ppb per degree Fahrenheit (ppb/°F) |
|---|---|
| 1 1/mK | 5.556 × 1011 ppb/°F |
| 2 1/mK | 1.111 × 1012 ppb/°F |
| 5 1/mK | 2.778 × 1012 ppb/°F |
| 10 1/mK | 5.556 × 1012 ppb/°F |
| 25 1/mK | 1.389 × 1013 ppb/°F |
| 50 1/mK | 2.778 × 1013 ppb/°F |
| 100 1/mK | 5.556 × 1013 ppb/°F |