Kilojoule to Kilocalorie Converter

Convert kilojoules to kilocalories instantly with our accurate and easy-to-use conversion tool.

kJ
Result
0kcal

Kilocalorie

Conversion Formula

Kilocalorie = Kilojoule × 0.239006

Where:

  • kJ = Kilojoule
  • kcal = Kilocalorie

About Kilojoule

The kilojoule (kJ) is a unit of energyin the metric system of measurement.

About Kilocalorie

The kilocalorie (kcal) is a unit of energyin the metric system of measurement.

How to Convert Kilojoule to Kilocalorie

To convert from kilojoules to kilocalories, use our converter above. Simply enter the value in kilojoulesand get instant results in kilocalories.

Quick Reference:

  • 1 kJ = 0.239006 kcal
  • 1 kcal = 4.184000 kJ

Common Kilojoule to Kilocalorie Conversions

1 kJ
= 0.24 kcal
5 kJ
= 1.20 kcal
10 kJ
= 2.39 kcal
25 kJ
= 5.98 kcal
50 kJ
= 11.95 kcal
100 kJ
= 23.90 kcal

Conversion Reference Table

Kilojoule (kJ)Kilocalorie (kcal)
10.239
20.478
30.717
40.956
51.195
102.3901
153.5851
204.7801
255.9751
5011.9503
7517.9254
10023.9006
25059.7514
500119.5029
1,000239.0057

Quick reference table showing common kilojoules to kilocalories conversions.

Real-World Energy Conversions

Electricity Bills

Understanding your power consumption in kilowatt-hours (kWh). A 100W bulb running for 10 hours uses 1 kWh. Convert kWh to joules or BTU for energy calculations.

🍎

Food and Nutrition

Converting between Calories (kcal) and joules for nutritional information. Food energy content is measured in Calories, with 1 Calorie equaling approximately 4.2 kilojoules.

🔥

Heating and Cooling

HVAC systems use BTU (British Thermal Units) to measure heating/cooling capacity. Converting BTU to watts or joules helps compare different systems.

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Physics and Science

Scientific calculations use joules as the SI unit of energy. Converting between joules, kilojoules, and megajoules for physics problems and research.

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Battery Capacity

Batteries are rated in watt-hours (Wh) or milliamp-hours (mAh). Converting between units helps compare battery performance and runtime.

Fuel Energy Content

Fuels are compared using energy content per unit mass or volume. Converting between joules per gram, BTU per pound, or kWh per liter.

Energy Conversion FAQs