Convert Percent per degree Fahrenheit to Per millikelvin
Convert Percent per degree Fahrenheit (%/°F) to Per millikelvin (1/mK) instantly and accurately.
Conversion Formula
1/mK = %/°F × 1.800000000e-5
About Percent per degree Fahrenheit
The %/°F equals 9/5 × 10⁻² /K ≈ 0.018 /K, the Fahrenheit percent-expansion unit used in US polymer and rubber industry specifications. PTFE: ≈0.0075 %/°F; HDPE: ≈0.0083 %/°F; silicone rubber: ≈0.056 %/°F. 1 %/°F = 9/5 × 10⁻² /K ≈1.8 %/K.
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.
Quick Reference Table
| Percent per degree Fahrenheit (%/°F) | Per millikelvin (1/mK) |
|---|---|
| 1 %/°F | 1.8 × 10-5 1/mK |
| 2 %/°F | 3.6 × 10-5 1/mK |
| 5 %/°F | 9 × 10-5 1/mK |
| 10 %/°F | 0.00018 1/mK |
| 25 %/°F | 0.00045 1/mK |
| 50 %/°F | 0.0009 1/mK |
| 100 %/°F | 0.0018 1/mK |