Convert Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin
Instantly convert Kilocalories per Kilogram-Celsius (kcal/(kg·°C)) to Kilojoules per Kilogram-Kelvin (kJ/(kg·K)) with our free online calculator.
Formula: kcal/(kg·°C) to kJ/(kg·K) — multiply by 4.184
Reference Table
| Kilocalories per Kilogram-Celsius (kcal/(kg·°C)) | Kilojoules per Kilogram-Kelvin (kJ/(kg·K)) |
|---|---|
| 1 | 4.184 |
| 5 | 20.92 |
| 10 | 41.84 |
| 25 | 104.6 |
| 50 | 209.2 |
| 100 | 418.4 |
How to Convert Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin
Formula
To convert Kilocalories per Kilogram-Celsius (kcal/(kg·°C)) to Kilojoules per Kilogram-Kelvin (kJ/(kg·K)): multiply by 4.184
Step-by-Step
- Start with your value in Kilocalories per Kilogram-Celsius (kcal/(kg·°C)).
- Multiply by 4.184 to perform the conversion.
- The result is your value expressed in Kilojoules per Kilogram-Kelvin (kJ/(kg·K)).
Conversion Factor
1 kcal/(kg·°C) = 4.184 kJ/(kg·K)
Reverse Factor
1 kJ/(kg·K) = 0.239006 kcal/(kg·°C)
Worked Example
Convert 25 Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin: 25 kcal/(kg·°C) = 104.6 kJ/(kg·K)
About Kilocalorie per Kilogram-Celsius (kcal/(kg·°C))
A metric specific-heat unit numerically identical to cal/(g·°C) — since 1 kcal/kg = 1 cal/g and 1 K interval = 1 °C interval. Water's specific heat is exactly 1 kcal/(kg·°C) by the original 'large calorie' (= kilocalorie) definition. kcal/(kg·°C) appears in European food-science literature (calorimetry data in EU FOSS / Codex Alimentarius food-composition databases), pre-2000 European HVAC and process-engineering documentation (especially German DIN-era specs that haven't migrated fully to J/(kg·K)), nutrition-science papers reporting metabolic-rate calculations against the 1 kcal/(kg·°C) water baseline, and older chemistry literature from Eastern Europe and Russia. The choice between cal/(g·°C) and kcal/(kg·°C) is purely a matter of which mass scale is convenient — they encode the same physical quantity with the same numerical value. Convert kcal/(kg·°C) to J/(kg·K) by multiplying by 4,184; to BTU/(lb·°F) by dividing by 1.
About Kilojoule per Kilogram-Kelvin (kJ/(kg·K))
A metric specific-heat unit equal to exactly 1,000 J/(kg·K). Because most common substances have specific heats in the 0.3-5 kJ/(kg·K) range, kJ/(kg·K) is the default working unit on every published thermodynamic property table (IAPWS-IF97 steam tables, NIST REFPROP refrigerant data, NASA CEA gas-property tables, Çengel-Boles 'Thermodynamics: An Engineering Approach' textbook, Moran-Shapiro 'Fundamentals of Engineering Thermodynamics'). Reference values: water at 25 °C is 4.186 kJ/(kg·K); structural steel ~0.49 kJ/(kg·K); aluminum 0.897 kJ/(kg·K); liquid nitrogen at saturation ~1.04 kJ/(kg·K); R-134a refrigerant vapour ~1.0 kJ/(kg·K) at saturation; R-1234yf (low-GWP automotive refrigerant) ~0.95 kJ/(kg·K). For ideal-gas calculations: dry air cp = 1.005 kJ/(kg·K), cv = 0.718 kJ/(kg·K), with ratio γ = cp/cv = 1.4 used in compressible-flow analysis. Steam tables in Çengel-Boles default to kJ/(kg·K) for both cp and cv.
Quick Facts
- 1 Kilocalorie per Kilogram-Celsius equals 4.184 Kilojoules per Kilogram-Kelvin
- 1 Kilojoule per Kilogram-Kelvin equals 0.239006 Kilocalories per Kilogram-Celsius
- Kilocalorie per Kilogram-Celsius is a unit of specific heat capacity
- Kilojoule per Kilogram-Kelvin is a unit of specific heat capacity
- This conversion is commonly used in thermal design, material selection, and climate modelling
- The Kilocalorie per Kilogram-Celsius belongs to the metric system
Common Kilocalorie per Kilogram-Celsius to Kilojoule per Kilogram-Kelvin Conversions
| Kilocalories per Kilogram-Celsius (kcal/(kg·°C)) | Kilojoules per Kilogram-Kelvin (kJ/(kg·K)) |
|---|---|
| 0.01 | 0.04184 |
| 0.1 | 0.4184 |
| 0.25 | 1.046 |
| 0.5 | 2.092 |
| 1 | 4.184 |
| 2 | 8.368 |
| 3 | 12.552 |
| 5 | 20.92 |
| 10 | 41.84 |
| 15 | 62.76 |
| 20 | 83.68 |
| 25 | 104.6 |
| 50 | 209.2 |
| 75 | 313.8 |
| 100 | 418.4 |
| 250 | 1046 |
| 500 | 2092 |
| 1000 | 4184 |
| 5000 | 20920 |
| 10000 | 41840 |
Understanding Kilocalories per Kilogram-Celsius
The Kilocalorie per Kilogram-Celsius (symbol: kcal/(kg·°C)) is a unit of specific heat capacity. A metric specific-heat unit numerically identical to cal/(g·°C) — since 1 kcal/kg = 1 cal/g and 1 K interval = 1 °C interval. Water's specific heat is exactly 1 kcal/(kg·°C) by the original 'large calorie' (= kilocalorie) definition. kcal/(kg·°C) appears in European food-science literature (calorimetry data in EU FOSS / Codex Alimentarius food-composition databases), pre-2000 European HVAC and process-engineering documentation (especially German DIN-era specs that haven't migrated fully to J/(kg·K)), nutrition-science papers reporting metabolic-rate calculations against the 1 kcal/(kg·°C) water baseline, and older chemistry literature from Eastern Europe and Russia. The choice between cal/(g·°C) and kcal/(kg·°C) is purely a matter of which mass scale is convenient — they encode the same physical quantity with the same numerical value. Convert kcal/(kg·°C) to J/(kg·K) by multiplying by 4,184; to BTU/(lb·°F) by dividing by 1.
It belongs to the metric measurement system.
Kilocalories per Kilogram-Celsius are commonly used in thermal design, material selection, and climate modelling.
Understanding Kilojoules per Kilogram-Kelvin
The Kilojoule per Kilogram-Kelvin (symbol: kJ/(kg·K)) is a unit of specific heat capacity. A metric specific-heat unit equal to exactly 1,000 J/(kg·K). Because most common substances have specific heats in the 0.3-5 kJ/(kg·K) range, kJ/(kg·K) is the default working unit on every published thermodynamic property table (IAPWS-IF97 steam tables, NIST REFPROP refrigerant data, NASA CEA gas-property tables, Çengel-Boles 'Thermodynamics: An Engineering Approach' textbook, Moran-Shapiro 'Fundamentals of Engineering Thermodynamics'). Reference values: water at 25 °C is 4.186 kJ/(kg·K); structural steel ~0.49 kJ/(kg·K); aluminum 0.897 kJ/(kg·K); liquid nitrogen at saturation ~1.04 kJ/(kg·K); R-134a refrigerant vapour ~1.0 kJ/(kg·K) at saturation; R-1234yf (low-GWP automotive refrigerant) ~0.95 kJ/(kg·K). For ideal-gas calculations: dry air cp = 1.005 kJ/(kg·K), cv = 0.718 kJ/(kg·K), with ratio γ = cp/cv = 1.4 used in compressible-flow analysis. Steam tables in Çengel-Boles default to kJ/(kg·K) for both cp and cv.
It belongs to the metric measurement system.
Kilojoules per Kilogram-Kelvin are commonly used in thermal design, material selection, and climate modelling.
Why Convert Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin?
Converting between Kilocalories per Kilogram-Celsius and Kilojoules per Kilogram-Kelvin is a frequent requirement for engineers, scientists, and students working with specific heat capacity values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate specific heat capacity conversion is essential.
Frequently Asked Questions
How do I convert Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin?
A metric specific-heat unit numerically identical to cal/(g·°C) — since 1 kcal/kg = 1 cal/g and 1 K interval = 1 °C interval. To convert Kilocalories per Kilogram-Celsius to Kilojoules per Kilogram-Kelvin, multiply by 4.184. For example, 25 kcal/(kg·°C) equals 104.6 kJ/(kg·K).
How many Kilojoules per Kilogram-Kelvin are in 1 Kilocalorie per Kilogram-Celsius?
There are 4.184 Kilojoules per Kilogram-Kelvin in 1 Kilocalorie per Kilogram-Celsius.
How many Kilocalories per Kilogram-Celsius are in 1 Kilojoule per Kilogram-Kelvin?
There are 0.239006 Kilocalories per Kilogram-Celsius in 1 Kilojoule per Kilogram-Kelvin.
What is the formula for Kilocalorie per Kilogram-Celsius to Kilojoule per Kilogram-Kelvin conversion?
The formula is: multiply by 4.184. This means 1 kcal/(kg·°C) = 4.184 kJ/(kg·K).
Is a Kilocalorie per Kilogram-Celsius bigger than a Kilojoule per Kilogram-Kelvin?
No. One Kilocalorie per Kilogram-Celsius is smaller than one Kilojoule per Kilogram-Kelvin because 1 kcal/(kg·°C) equals 4.184 kJ/(kg·K), which is greater than 1.
When do you need to convert between Kilocalories per Kilogram-Celsius and Kilojoules per Kilogram-Kelvin?
A metric specific-heat unit equal to exactly 1,000 J/(kg·K). Kilocalorie per Kilogram-Celsius and Kilojoule per Kilogram-Kelvin are both specific heat units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.