Convert Thermochemical calorie per centimetre per second per degree Celsius to Milliwatt per metre kelvin
Convert Thermochemical calorie per centimetre per second per degree Celsius (cal(th)/(cm·s·°C)) to Milliwatt per metre kelvin (mW/(m·K)) instantly and accurately.
Conversion Formula
mW/(m·K) = cal(th)/(cm·s·°C) × 418400
About Thermochemical calorie per centimetre per second per degree Celsius
The cal(th)/(cm·s·°C) equals exactly 4.184/0.01 = 418.4 W/(m·K) (1 thermochemical calorie = 4.184 J). The CGS thermal conductivity unit dominant in US physics and chemistry before SI adoption. Copper: ≈0.921; aluminium: ≈0.489 cal(th)/(cm·s·°C). Not equal to cal(IT)/(cm·s·°C). 1 cal(th)/(cm·s·°C) = 418.4 W/(m·K).
About Milliwatt per metre kelvin
The milliwatt per metre kelvin (mW/(m·K)) equals exactly 10⁻³ W/(m·K). Used for gases and ultra-low thermal conductivity solids: still air ≈26 mW/(m·K), CO₂ ≈16 mW/(m·K), aerogels 12-20 mW/(m·K), vacuum insulation panels ≈5 mW/(m·K). Standard insulation products are typically specified in mW/(m·K). 1 mW/(m·K) = 10⁻³ W/(m·K) = 0.1 mW/(cm·K).
Quick Reference Table
| Thermochemical calorie per centimetre per second per degree Celsius (cal(th)/(cm·s·°C)) | Milliwatt per metre kelvin (mW/(m·K)) |
|---|---|
| 1 cal(th)/(cm·s·°C) | 418400 mW/(m·K) |
| 2 cal(th)/(cm·s·°C) | 836800 mW/(m·K) |
| 5 cal(th)/(cm·s·°C) | 2092000 mW/(m·K) |
| 10 cal(th)/(cm·s·°C) | 4184000 mW/(m·K) |
| 25 cal(th)/(cm·s·°C) | 10460000 mW/(m·K) |
| 50 cal(th)/(cm·s·°C) | 20920000 mW/(m·K) |
| 100 cal(th)/(cm·s·°C) | 41840000 mW/(m·K) |