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Specific Heat Capacity

kJ/(kg·°C)tokcal/(kg·°C)

Convert kilojoules per kilogram-Celsius (kJ/(kg·°C)) to kilocalories per kilogram-Celsius (kcal/(kg·°C)).

Factor1 kJ/(kg·°C) = 0.2390057 kcal/(kg·°C)

Converter

kJ/(kg·°C)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1kcal/(kg·°C)

Rendered to 6 significant figures.

Formula

Formula
kcal/(kg·°C) = kJ/(kg·°C) × 0.2390057

Multiply any value in kilojoules per kilogram-Celsius by 0.2390057 to obtain the value in kilocalories per kilogram-Celsius.

Worked example

Convert 4.184 kJ/(kg·°C) to kcal/(kg·°C).

  1. 01Start with 4.184 kJ/(kg·°C).
  2. 02Multiply by the conversion factor: 4.184 × 0.2390057 = 1 kcal/(kg·°C).
Result4.184 kJ/(kg·°C) = 1 kcal/(kg·°C)

Conversion table

kJ/(kg·°C)kcal/(kg·°C)
10.23901
20.47801
51.195
102.3901
204.7801
5011.95
10023.901
20047.801
500119.5
1000239.01

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kJ/(kg·°C) to kcal/(kg·°C)?
1 kJ/(kg·°C) equals 0.2390057 kcal/(kg·°C). To convert, multiply the value in kilojoules per kilogram-Celsius by 0.2390057.
How do I convert 1 kJ/(kg·°C) to kcal/(kg·°C)?
1 kJ/(kg·°C) = 0.239006 kcal/(kg·°C). For any value, multiply by 0.2390057.
How do I convert kcal/(kg·°C) back to kJ/(kg·°C)?
Divide by the same factor — or equivalently, multiply by 4.184. So 1 kcal/(kg·°C) = 4.184 kJ/(kg·°C).
When would I need to convert kilojoule per kilogram-Celsius to kilocalorie per kilogram-Celsius?
Specific-heat-capacity conversions between kJ/(kg·°C) and kcal/(kg·°C) are routine in thermal engineering, heat-balance work, HVAC design, metallurgy, chemical engineering and materials science. J/(kg·K) and kJ/(kg·K) are the SI standards; cal/(g·°C) is the classic thermochemical convention; BTU/(lb·°F) dominates US process and ASHRAE datasheets. All conversions use fixed multiplicative factors — this category does NOT look up the Cp value of any specific material (water, air, steam, etc.), does NOT perform heat-duty calculations (Q = m·Cp·ΔT), and does NOT convert lumped thermal capacity (J/K) to specific heat capacity (J/(kg·K)) without mass. Temperature units in the denominator represent temperature intervals, not absolute temperatures — a 1 °C interval equals a 1 K interval.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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