Convert Celsius Heat Unit per pound per degree Celsius to Kilojoule per kilogram kelvin
Convert Celsius Heat Unit per pound per degree Celsius (CHU/(lb·°C)) to Kilojoule per kilogram kelvin (kJ/(kg·K)) instantly and accurately.
Conversion Formula
kJ/(kg·K) = CHU/(lb·°C) × 4.1868
About Celsius Heat Unit per pound per degree Celsius
The Celsius heat unit per pound per degree Celsius (CHU/(lb·°C)) equals exactly (1055.05585262 × 9)/(0.45359237 × 5) J/(kg·K) = 4186.8 J/(kg·K). The CHU is 9/5 BTU(IT); combined with a 1 °C instead of 1 °F interval the factor is the same as BTU(IT)/(lb·°F). Used in older UK and Canadian engineering practice. Water: 1 CHU/(lb·°C). 1 CHU/(lb·°C) = 4186.8 J/(kg·K).
About Kilojoule per kilogram kelvin
The kilojoule per kilogram kelvin (kJ/(kg·K)) equals exactly 1000 J/(kg·K). The most common unit in engineering thermodynamics textbooks and technical data sheets: water ≈4.182, steam ≈2.08, dry air ≈1.005 kJ/(kg·K). Found throughout ASHRAE, ISO, and EN standards for heat exchanger and HVAC design. 1 kJ/(kg·K) = 1000 J/(kg·K) = 1 kJ/(kg·°C).
Quick Reference Table
| Celsius Heat Unit per pound per degree Celsius (CHU/(lb·°C)) | Kilojoule per kilogram kelvin (kJ/(kg·K)) |
|---|---|
| 1 CHU/(lb·°C) | 4.1868 kJ/(kg·K) |
| 2 CHU/(lb·°C) | 8.3736 kJ/(kg·K) |
| 5 CHU/(lb·°C) | 20.934 kJ/(kg·K) |
| 10 CHU/(lb·°C) | 41.868 kJ/(kg·K) |
| 25 CHU/(lb·°C) | 104.67 kJ/(kg·K) |
| 50 CHU/(lb·°C) | 209.34 kJ/(kg·K) |
| 100 CHU/(lb·°C) | 418.68 kJ/(kg·K) |