Convert Per millikelvin to ppm per kelvin
Convert Per millikelvin (1/mK) to ppm per kelvin (ppm/K) instantly and accurately.
Conversion Formula
ppm/K = 1/mK × 1000000000
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 ppm per kelvin
The ppm/K (= μm/(m·K) exactly) equals 10⁻⁶ /K and is the universal CTE unit in international materials standards (ISO, EN, DIN). Aluminium: 23.1 ppm/K; steel: ≈12 ppm/K; ordinary glass: ≈9 ppm/K; fused silica: 0.55 ppm/K; Invar: ≈1.2 ppm/K. 1 ppm/K = 10⁻⁶ /K.
Quick Reference Table
| Per millikelvin (1/mK) | ppm per kelvin (ppm/K) |
|---|---|
| 1 1/mK | 1000000000 ppm/K |
| 2 1/mK | 2 × 109 ppm/K |
| 5 1/mK | 5 × 109 ppm/K |
| 10 1/mK | 1 × 1010 ppm/K |
| 25 1/mK | 2.5 × 1010 ppm/K |
| 50 1/mK | 5 × 1010 ppm/K |
| 100 1/mK | 1 × 1011 ppm/K |