Joules to Kilocalories (kcal) Converter
Convert J to kcal instantly — and see every other energy unit at once.
1 J=2.3901e-4 kcal
1 J in every unit
Joulesfrom
1J
Kilojoules
0.001kJ
Megajoules
1.0000e-6MJ
Watt-hours
2.7778e-4Wh
Kilowatt-hours
2.7778e-7kWh
Calories (small)
0.239006cal
Kilocalories (kcal)
2.3901e-4kcal
BTU
9.4781e-4BTU
Electronvolts
6,241,509,074,460,763,000eV
Foot-pounds
0.737561ft·lb
Common Joules to Kilocalories (kcal) conversions
| Joules (J) | Kilocalories (kcal) (kcal) |
|---|---|
| 1 J | 0.00024 kcal |
| 2 J | 0.00048 kcal |
| 5 J | 0.0012 kcal |
| 10 J | 0.00239 kcal |
| 25 J | 0.00598 kcal |
| 50 J | 0.01195 kcal |
| 100 J | 0.0239 kcal |
| 250 J | 0.05975 kcal |
| 500 J | 0.1195 kcal |
| 1000 J | 0.23901 kcal |
The formula
Joules (J) — a unit of energy.
Kilocalories (kcal) (kcal) — a unit of energy.
Worked examples
1 J→0.00024 kcal
Apply Joules ÷ 4184 with input = 1. Result: 0.00024 kcal.
5 J→0.0012 kcal
Apply Joules ÷ 4184 with input = 5. Result: 0.0012 kcal.
10 J→0.00239 kcal
Apply Joules ÷ 4184 with input = 10. Result: 0.00239 kcal.
FAQ
How do I convert Joules to Kilocalories (kcal)?
Use the formula: kcal = Joules ÷ 4184. You can also use the converter above — type any value and the result updates instantly.
Where are Joules used?
Joules (J) — a unit of energy.
Where are Kilocalories (kcal) used?
Kilocalories (kcal) (kcal) — a unit of energy.