Convert joules (J) to thermochemical calories (cal).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
J
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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
cal
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 J ≈ 0.2390057361 cal
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAcal = J ÷ 4.184
FORMULA & EXAMPLES
How to convert Joules to thermochemical calories
cal = J ÷ 4.184
Divide the J reading by 4.184.
Worked examples
1 J ≈ 0.2390057361 cal
1 ÷ 4.184 ≈ 0.2390057361
1000 J ≈ 239.0057361 cal
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.
Joules to thermochemical calories table
Fixed reference · Joule to Thermochemical calorie
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Joule (J)
Thermochemical calorie (cal)
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.