Convert Watt per millimetre kelvin to Kilocalorie per centimetre per hour per degree Celsius
Convert Watt per millimetre kelvin (W/(mm·K)) to Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) instantly and accurately.
Conversion Formula
kcal/(cm·h·°C) = W/(mm·K) × 8.598452279
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).
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).
Quick Reference Table
| Watt per millimetre kelvin (W/(mm·K)) | Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) |
|---|---|
| 1 W/(mm·K) | 8.59845 kcal/(cm·h·°C) |
| 2 W/(mm·K) | 17.1969 kcal/(cm·h·°C) |
| 5 W/(mm·K) | 42.9923 kcal/(cm·h·°C) |
| 10 W/(mm·K) | 85.9845 kcal/(cm·h·°C) |
| 25 W/(mm·K) | 214.961 kcal/(cm·h·°C) |
| 50 W/(mm·K) | 429.923 kcal/(cm·h·°C) |
| 100 W/(mm·K) | 859.845 kcal/(cm·h·°C) |