Convert Millimetres per metre per degree Celsius to Per microkelvin
Convert Millimetres per metre per degree Celsius (mm/(m·°C)) to Per microkelvin (1/μK) instantly and accurately.
Conversion Formula
1/μK = mm/(m·°C) × 1.000000000e-9
About Millimetres per metre per degree Celsius
The millimetre per metre per degree Celsius (mm/(m·°C)) equals exactly 10⁻³ /K = 1 mm/(m·K), since temperature intervals 1 °C = 1 K (exact). Used in European structural engineering, EN standards, and civil/mechanical design codes for expansion joint sizing. Steel rail: 0.012 mm/(m·°C); aluminium curtain wall: 0.023 mm/(m·°C). 1 mm/(m·°C) = 10⁻³ /K = 1 mm/(m·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 degree Celsius (mm/(m·°C)) | Per microkelvin (1/μK) |
|---|---|
| 1 mm/(m·°C) | 1 × 10-9 1/μK |
| 2 mm/(m·°C) | 2 × 10-9 1/μK |
| 5 mm/(m·°C) | 5 × 10-9 1/μK |
| 10 mm/(m·°C) | 1 × 10-8 1/μK |
| 25 mm/(m·°C) | 2.5 × 10-8 1/μK |
| 50 mm/(m·°C) | 5 × 10-8 1/μK |
| 100 mm/(m·°C) | 1 × 10-7 1/μK |