Kilojoule to Kilocalorie Converter

Convert kilojoule to kilocalorie easily (SI to Common)

Kilojoule to Kilocalorie Conversion
Kilojoule (kJ) SI
Kilocalorie (kcal) Common
Common Energy Values
Energy Equivalents
1 calorie = 4.184 joules
1 BTU = 1055.06 joules
1 kWh = 3.6 million joules
1 eV = 1.602e-19 joules
Conversion Result
1 kJ = 0.239006 kcal
1 kJ = 0.23900573613767 kcal
Exact Value
0.23900573613767
Rounded
0.24
SI to Common Conversion
SI ↔ Common
Unit Comparison
From Unit
Kilojoule (kJ)
System: SI
To Unit
Kilocalorie (kcal)
System: Common
Quick Reference
1 kJ = In Other Units
1,000.000000 J
239.005736 cal
0.239006 kcal
0.947813 BTU
0.000278 kWh
0.277778 Wh
6,241,509,074,460,762,701,824.000000 eV
0.001000 MJ
0.000009 thm
737.561033 ft·lb

Related Energy Conversions

100 kJ
0 thm
S I
1 kJ
0 kWh
S E
5 kJ
0 kWh
S E
100 J
0.02 kcal
S C
1000 cal
1 kcal
C C
1000 kJ
947.81 BTU
S I
1 kJ
737.56 ft·lb
S I
500 MJ
119502.87 kcal
S C
1 kJ
0.28 Wh
S E
500 kJ
500000 J
S S

Kilojoule to Kilocalorie Converter | Energy Converter

Convert 1 kilojoule to kilocalories. 1 kilojoule = 0.239 kilocalories. Easy energy conversion calculator for kilojoule to kilocalorie. Accurate results for physics, engineering, and nutrition.

Kilojoule to Kilocalorie Conversion

Convert kilojoule to kilocalorie easily with our accurate energy conversion calculator. Whether you're working on physics problems, nutritional calculations, electrical engineering, or thermodynamics, our tool provides instant and precise results.

Conversion Formula

1 kJ = 0.23900573613767 kcal

To convert kilojoule to kilocalorie, multiply the kilojoule value by 0.23900573613767.

Common Kilojoule to Kilocalorie Conversions

Kilojoule (kJ) = Kilocalorie (kcal)
1 0.239
10 2.3901
100 23.9006
500 119.5029
1000 239.0057
4184 1000
3600000 860420.6501

Understanding Kilojoule and Kilocalorie

Kilojoule (kJ)

The kilojoule is a unit of energy in the SI system.

Kilocalorie (kcal)

The kilocalorie is a unit of energy in the Common system.

• Essential for diet planning

• Standard on food packaging

• Used by nutritionists worldwide

• Basis for exercise energy calculations

SI to Common Conversion

You are converting from a si unit to a common unit. This conversion is commonly needed when:

  • Comparing nutritional information with scientific data
  • Calculating electricity costs for different energy sources
  • Converting physics laboratory measurements
  • Working with international engineering specifications
  • Translating between different measurement traditions

Practical Examples

Everyday Examples
Scientific Examples

Conversion Tips

Quick Mental Calculation

For approximate conversions, remember these quick multipliers:

For Precise Calculations

Always use our converter tool or the exact conversion factor:

1 kJ = 0.23900573613767 kcal

Remember These Key Equivalents
  • 1 food Calorie = 1 kilocalorie = 4184 joules
  • 1 kWh = 3.6 million joules = 3.6 MJ
  • 1 BTU = 1055.06 joules ≈ 1.055 kJ
  • 1 eV = 1.602 × 10⁻¹⁹ joules
  • 1 therm = 100,000 BTU = 105.5 million joules