About this entropy unit converter
Convert entropy units for thermodynamics, chemical engineering, statistical mechanics, and power-cycle calculations.
The converter uses joules per kelvin as the base unit and includes calorie, kilocalorie, and BTU-based entropy units.
Units covered
Entropy units
J/K, kJ/K, cal/K, cal(IT)/K, kcal/K, kcal(IT)/K, and BTU/K.
Thermodynamic context
Useful for heat engines, chemical reactions, phase changes, and system disorder calculations.
Standard factors
Calorie variants are separated so older references and modern data can be compared.
How to use it
- Enter the entropy value.
- Choose the input and output entropy units.
- Use Swap when converting engineering data back into SI units.