Convert Joule per kilogram degree Celsius to Thermochemical BTU per pound per degree Fahrenheit
Convert Joule per kilogram degree Celsius (J/(kg·°C)) to Thermochemical BTU per pound per degree Fahrenheit (BTU(th)/(lb·°F)) instantly and accurately.
Conversion Formula
BTU(th)/(lb·°F) = J/(kg·°C) × 0.0002390057361
About Joule per kilogram degree Celsius
The joule per kilogram degree Celsius (J/(kg·°C)) equals exactly 1 J/(kg·K) since temperature intervals 1 °C = 1 K. Widely used in building physics, HVAC, and thermodynamics textbooks where Celsius is the standard temperature scale. Material property tables in ISO and EN standards frequently list specific heat in J/(kg·°C). 1 J/(kg·°C) = 1 J/(kg·K).
About Thermochemical BTU per pound per degree Fahrenheit
The thermochemical BTU per pound per degree Fahrenheit (BTU(th)/(lb·°F)) equals exactly 4184 J/(kg·K) (derived: 1 BTU(th) = 1054.350264 J; /lb/°F). Numerically identical to cal(th)/(g·°C) because both are defined via the thermochemical calorie. Used in older American thermodynamic tables. Water ≈1 BTU(th)/(lb·°F). 1 BTU(th)/(lb·°F) = 4184 J/(kg·K).
Quick Reference Table
| Joule per kilogram degree Celsius (J/(kg·°C)) | Thermochemical BTU per pound per degree Fahrenheit (BTU(th)/(lb·°F)) |
|---|---|
| 1 J/(kg·°C) | 0.000239006 BTU(th)/(lb·°F) |
| 2 J/(kg·°C) | 0.000478011 BTU(th)/(lb·°F) |
| 5 J/(kg·°C) | 0.00119503 BTU(th)/(lb·°F) |
| 10 J/(kg·°C) | 0.00239006 BTU(th)/(lb·°F) |
| 25 J/(kg·°C) | 0.00597514 BTU(th)/(lb·°F) |
| 50 J/(kg·°C) | 0.0119503 BTU(th)/(lb·°F) |
| 100 J/(kg·°C) | 0.0239006 BTU(th)/(lb·°F) |