Kilocalories (kcal) to Kilojoules Converter
Convert kcal to kJ instantly — and see every other energy unit at once.
1 kcal=4.184 kJ
1 kcal in every unit
Joules
4,184J
Kilojoules
4.184kJ
Megajoules
0.004184MJ
Watt-hours
1.1622Wh
Kilowatt-hours
0.001162kWh
Calories (small)
1,000cal
Kilocalories (kcal)from
1kcal
BTU
3.9657BTU
Electronvolts
26,114,473,967,543,833,000,000eV
Foot-pounds
3,085.96ft·lb
Common Kilocalories (kcal) to Kilojoules conversions
| Kilocalories (kcal) (kcal) | Kilojoules (kJ) |
|---|---|
| 1 kcal | 4.184 kJ |
| 2 kcal | 8.368 kJ |
| 5 kcal | 20.92 kJ |
| 10 kcal | 41.84 kJ |
| 25 kcal | 104.6 kJ |
| 50 kcal | 209.2 kJ |
| 100 kcal | 418.4 kJ |
| 250 kcal | 1046 kJ |
| 500 kcal | 2092 kJ |
| 1000 kcal | 4184 kJ |
The formula
Kilocalories (kcal) (kcal) — a unit of energy.
Kilojoules (kJ) — a unit of energy.
Worked examples
1 kcal→4.184 kJ
Apply Kilocalories (kcal) × 4.184 with input = 1. Result: 4.184 kJ.
5 kcal→20.92 kJ
Apply Kilocalories (kcal) × 4.184 with input = 5. Result: 20.92 kJ.
10 kcal→41.84 kJ
Apply Kilocalories (kcal) × 4.184 with input = 10. Result: 41.84 kJ.
FAQ
How do I convert Kilocalories (kcal) to Kilojoules?
Use the formula: kJ = Kilocalories (kcal) × 4.184. You can also use the converter above — type any value and the result updates instantly.
Where are Kilocalories (kcal) used?
Kilocalories (kcal) (kcal) — a unit of energy.
Where are Kilojoules used?
Kilojoules (kJ) — a unit of energy.