Convert Kilocalorie per centimetre per hour per degree Celsius to Watt per millimetre kelvin
Convert Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) to Watt per millimetre kelvin (W/(mm·K)) instantly and accurately.
Conversion Formula
W/(mm·K) = kcal/(cm·h·°C) × 0.1163
About Kilocalorie per centimetre per hour per degree Celsius
The kcal/(cm·h·°C) equals exactly 4186.8/36 W/(m·K) = 116.3 W/(m·K) (1 kcal(IT) = 4186.8 J; 1 h = 3600 s; 1 cm = 0.01 m). Used in older CGS-metric European and Soviet literature for metallic heat transfer. Steel: ≈0.137; copper: ≈3.31 kcal/(cm·h·°C). 1 kcal/(cm·h·°C) = 116.3 W/(m·K) = 100 × kcal/(m·h·°C).
About Watt per millimetre kelvin
The watt per millimetre kelvin (W/(mm·K)) equals exactly 1000 W/(m·K) since 1 mm = 10⁻³ m. Used in microelectronics thermal engineering where components are millimetre-scale: copper ≈0.385, silicon ≈0.148 W/(mm·K). Thermal interface material datasheets for high-performance pads and solder joints commonly use this unit. 1 W/(mm·K) = 1000 W/(m·K) = 10 W/(cm·K).
Quick Reference Table
| Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) | Watt per millimetre kelvin (W/(mm·K)) |
|---|---|
| 1 kcal/(cm·h·°C) | 0.1163 W/(mm·K) |
| 2 kcal/(cm·h·°C) | 0.2326 W/(mm·K) |
| 5 kcal/(cm·h·°C) | 0.5815 W/(mm·K) |
| 10 kcal/(cm·h·°C) | 1.163 W/(mm·K) |
| 25 kcal/(cm·h·°C) | 2.9075 W/(mm·K) |
| 50 kcal/(cm·h·°C) | 5.815 W/(mm·K) |
| 100 kcal/(cm·h·°C) | 11.63 W/(mm·K) |