Convert ppm per kelvin to Per microkelvin
Convert ppm per kelvin (ppm/K) to Per microkelvin (1/μK) instantly and accurately.
Conversion Formula
1/μK = ppm/K × 1.000000000e-12
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.
About Per microkelvin
The per microkelvin (1/μK) equals exactly 10⁶ /K. It is used in ultra-precision experiments probing anomalous thermal expansion extremely close to second-order phase transitions, such as the superfluid He-4 lambda point (2.1768 K) and magnetic phase boundaries in rare-earth compounds. 1 /μK = 10⁶ /K = 10¹² ppm/K.
Quick Reference Table
| ppm per kelvin (ppm/K) | Per microkelvin (1/μK) |
|---|---|
| 1 ppm/K | 1 × 10-12 1/μK |
| 2 ppm/K | 2 × 10-12 1/μK |
| 5 ppm/K | 5 × 10-12 1/μK |
| 10 ppm/K | 1 × 10-11 1/μK |
| 25 ppm/K | 2.5 × 10-11 1/μK |
| 50 ppm/K | 5 × 10-11 1/μK |
| 100 ppm/K | 1 × 10-10 1/μK |