Kilocalories (kcal) to Joules Converter
Convert kcal to J instantly — and see every other energy unit at once.
1 kcal=4,184 J
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 Joules conversions
| Kilocalories (kcal) (kcal) | Joules (J) |
|---|---|
| 1 kcal | 4184 J |
| 2 kcal | 8368 J |
| 5 kcal | 20920 J |
| 10 kcal | 41840 J |
| 25 kcal | 104600 J |
| 50 kcal | 209200 J |
| 100 kcal | 418400 J |
| 250 kcal | 1046000 J |
| 500 kcal | 2092000 J |
| 1000 kcal | 4184000 J |
The formula
Kilocalories (kcal) (kcal) — a unit of energy.
Joules (J) — a unit of energy.
Worked examples
1 kcal→4184 J
Apply Kilocalories (kcal) × 4184 with input = 1. Result: 4184 J.
5 kcal→20920 J
Apply Kilocalories (kcal) × 4184 with input = 5. Result: 20920 J.
10 kcal→41840 J
Apply Kilocalories (kcal) × 4184 with input = 10. Result: 41840 J.
FAQ
How do I convert Kilocalories (kcal) to Joules?
Use the formula: J = Kilocalories (kcal) × 4184. 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 Joules used?
Joules (J) — a unit of energy.