Convert Kilocalorie per metre per hour per degree Celsius to Watt per millimetre kelvin
Convert Kilocalorie per metre per hour per degree Celsius (kcal/(m·h·°C)) to Watt per millimetre kelvin (W/(mm·K)) instantly and accurately.
Conversion Formula
W/(mm·K) = kcal/(m·h·°C) × 0.001163
About Kilocalorie per metre per hour per degree Celsius
The kcal/(m·h·°C) equals exactly 4186.8/3600 W/(m·K) = 1.163 W/(m·K) (1 kcal(IT) = 4186.8 J). Used in pre-SI continental European engineering literature, older DIN/BS standards, and Soviet-era technical documentation. Brick: ≈0.6; dense concrete: ≈1.3; carbon steel: ≈38 kcal/(m·h·°C). 1 kcal/(m·h·°C) = 1.163 W/(m·K).
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 metre per hour per degree Celsius (kcal/(m·h·°C)) | Watt per millimetre kelvin (W/(mm·K)) |
|---|---|
| 1 kcal/(m·h·°C) | 0.001163 W/(mm·K) |
| 2 kcal/(m·h·°C) | 0.002326 W/(mm·K) |
| 5 kcal/(m·h·°C) | 0.005815 W/(mm·K) |
| 10 kcal/(m·h·°C) | 0.01163 W/(mm·K) |
| 25 kcal/(m·h·°C) | 0.029075 W/(mm·K) |
| 50 kcal/(m·h·°C) | 0.05815 W/(mm·K) |
| 100 kcal/(m·h·°C) | 0.1163 W/(mm·K) |