Convert Millimetres per metre per kelvin to Per microkelvin
Convert Millimetres per metre per kelvin (mm/(m·K)) to Per microkelvin (1/μK) instantly and accurately.
Conversion Formula
1/μK = mm/(m·K) × 1.000000000e-9
About Millimetres per metre per kelvin
The mm/(m·K) equals exactly 10⁻³ /K = 1000 ppm/K and is used in structural and civil engineering for bridge girder and pipeline thermal-expansion calculations. Steel at 0.012 mm/(m·K) expands 12 mm per 100 m track per 10 K rise. Polymers: 0.07-0.20 mm/(m·K). 1 mm/(m·K) = 10⁻³ /K = 1000 ppm/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
| Millimetres per metre per kelvin (mm/(m·K)) | Per microkelvin (1/μK) |
|---|---|
| 1 mm/(m·K) | 1 × 10-9 1/μK |
| 2 mm/(m·K) | 2 × 10-9 1/μK |
| 5 mm/(m·K) | 5 × 10-9 1/μK |
| 10 mm/(m·K) | 1 × 10-8 1/μK |
| 25 mm/(m·K) | 2.5 × 10-8 1/μK |
| 50 mm/(m·K) | 5 × 10-8 1/μK |
| 100 mm/(m·K) | 1 × 10-7 1/μK |