Convert Per millikelvin to ppb per kelvin
Convert Per millikelvin (1/mK) to ppb per kelvin (ppb/K) instantly and accurately.
Conversion Formula
ppb/K = 1/mK × 1000000000000
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 kelvin
The ppb/K (parts per billion per kelvin) equals 10⁻⁹ /K and is the resolution unit for ultra-low-CTE materials. Zerodur Class 0 (±0.02 ppb/K) and ULE titanium-silicate glass (±0.03 ppb/K) at 20 °C are characterised in ppb/K for gravitational-wave interferometers and space telescope optical benches. 1 ppb/K = 10⁻⁹ /K = 10⁻³ ppm/K.
Quick Reference Table
| Per millikelvin (1/mK) | ppb per kelvin (ppb/K) |
|---|---|
| 1 1/mK | 1 × 1012 ppb/K |
| 2 1/mK | 2 × 1012 ppb/K |
| 5 1/mK | 5 × 1012 ppb/K |
| 10 1/mK | 1 × 1013 ppb/K |
| 25 1/mK | 2.5 × 1013 ppb/K |
| 50 1/mK | 5 × 1013 ppb/K |
| 100 1/mK | 1 × 1014 ppb/K |