Kilocalories to Joules Converter
1 Kilocalorie = 4,184 Joules
kcal
J
1 kcal = 4,184 J. To convert kilocalories to joules, multiply by 4,184; to convert back, multiply by 0.000239006.
Conversion formula
1 kcal = 4,184 J
To convert from Kilocalories to Joules, multiply the value in kilocalories by 4,184.
| Kilocalories (kcal) | Joules (J) |
|---|---|
| 0.001 | 4.184 |
| 0.01 | 41.84 |
| 0.1 | 418.4 |
| 1 | 4,184 |
| 2 | 8,368 |
| 5 | 20,920 |
| 10 | 41,840 |
| 25 | 104,600 |
| 50 | 209,200 |
| 100 | 418,400 |
| 250 | 1,046,000 |
| 500 | 2,092,000 |
| 1000 | 4,184,000 |
1 kilocalorie in every energy unit
| Joules | 4,184 J |
| Kilojoules | 4.184 kJ |
| Megajoules | 0.004184 MJ |
| Calories | 1,000 cal |
| Watt-hours | 1.16222 Wh |
| Kilowatt-hours | 0.00116222 kWh |
| British Thermal Units | 3.96567 BTU |
Frequently Asked Questions
How many joules are in 1 kilocalorie?
1 kilocalorie equals 4,184 joules. So 10 kilocalories are 41,840 joules and 100 kilocalories are 418,400 joules.
How do I convert kilocalories to joules by hand?
Multiply the number of kilocalories by 4,184. To go the other way, multiply joules by 0.000239006 (or divide by 4,184).
How many kilocalories are in 1 joule?
1 joule equals 0.000239006 kilocalories.