1. Convert to base units
J/(kg K) = input value x input unit factor
Every supported specific heat capacity unit is stored as a factor relative to joules per kilogram kelvin.
Thermodynamics unit converter
Specific Heat Capacity Unit Converter
Convert specific heat capacity units for materials, fluids, HVAC, thermodynamics, heat transfer, and energy balance calculations.
Live specific heat conversion
Convert specific heat capacity units
Enter a value, choose the starting unit, and select a target unit. The full specific heat conversion table updates automatically.
Converted value
All units
Specific heat capacity conversion table
Compare the entered value across SI, metric, calorie-based, and imperial heat capacity units.
Common conversions
Useful specific heat conversion factors
| Conversion | Factor | Typical use |
|---|---|---|
| kJ/kg K to J/kg K | J/kg K = kJ/kg K x 1000 | Material property data |
| J/g K to kJ/kg K | kJ/kg K = J/g K | Metric heat capacity values |
| BTU/lb F to kJ/kg K | kJ/kg K = BTU/lb F x 4.1868 | Imperial to SI heat transfer |
| kJ/kg K to BTU/lb F | BTU/lb F = kJ/kg K / 4.1868 | HVAC and imperial data |
| cal/g C to J/g K | J/g K = cal/g C x 4.184 | Chemistry and thermal data |
| kcal/kg C to kJ/kg K | kJ/kg K = kcal/kg C x 4.184 | Legacy thermal references |
How it works
Specific heat conversion method
2. Convert to target units
target value = base value / target unit factor
The selected result and table values are calculated from the same base value.
3. Check precision
rounding depends on scale
Very small and very large values use compact scientific notation to stay readable.
FAQ
Specific heat capacity converter questions
How do you convert kJ/kg K to J/kg K?
Multiply kJ/kg K by 1000 to convert to J/kg K.
How do you convert BTU/lb F to kJ/kg K?
Multiply BTU/lb F by about 4.1868 to convert to kJ/kg K.
Is J/g K the same numerically as kJ/kg K?
Yes. One J/g K is numerically equal to one kJ/kg K.
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