Kilojoules to kilocalories (food Calorie) converter
Convert kilojoules (kJ) to kilocalories (food Calorie) (kcal).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
kJ
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
0.2390057361
kcal
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
CONVERSION
1 kJ ≈ 0.2390057361 kcal
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAkcal = kJ ÷ 4.184
FORMULA & EXAMPLES
How to convert Kilojoules to kilocalories (food Calorie)
kcal = kJ ÷ 4.184
Divide the kJ reading by 4.184.
Worked examples
1 kJ ≈ 0.2390057361 kcal
1 ÷ 4.184 ≈ 0.2390057361
1000 kJ ≈ 239.0057361 kcal
1000 ÷ 4.184 ≈ 239.0057361
Frequently asked questions
Is a food Calorie the same as a thermochemical calorie?
A food Calorie is a kilocalorie: 1 kcal = 1,000 cal. This tool uses the thermochemical calorie of exactly 4.184 J.
Kilojoules to kilocalories (food Calorie) table
Fixed reference · Kilojoule to Kilocalorie (food Calorie)
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Kilojoule (kJ)
Kilocalorie (food Calorie) (kcal)
0
0
0.1
0.02390057361
0.5
0.1195028681
1
0.2390057361
2
0.4780114723
5
1.195028681
10
2.390057361
25
5.975143403
50
11.95028681
100
23.90057361
1000
239.0057361
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.