Convert joules (J), calories (cal), kilowatt-hours (kWh), BTU, and other energy units. Energy is the capacity to do work; the joule (J) is the SI unit (1 J = 1 N·m). Nutritional calories and electrical kWh use different reference definitions tied to joules.
This energy converter transforms values from Kilocalories (kcal) to Kilojoules (kJ). Results update instantly using the exact conversion factor.
The Kilocalories (kcal) is a unit of energy in the Energy category.
The Kilojoules (kJ) is a unit of energy in the Energy category.
1 kcal × 4.184 = 4.184 kJ
kJ = kcal × 4.184
To convert kcal to kJ, multiply the value in kcal by 4.184 (conversion factor). Example: 1 kcal × 4.184 = 4.184 kJ.
10 kcal × 4.184 = 41.84 kJ
Common values from kcal to kJ.
| kcal | kJ |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 3 | 12.552 |
| 4 | 16.736 |
| 5 | 20.92 |
| 6 | 25.104 |
| 7 | 29.288 |
| 8 | 33.472 |
| 9 | 37.656 |
| 10 | 41.84 |
| 11 | 46.024 |
| 12 | 50.208 |
| 13 | 54.392 |
| 14 | 58.576 |
| 15 | 62.76 |
| 16 | 66.944 |
| 17 | 71.128 |
| 18 | 75.312 |
| 19 | 79.496 |
| 20 | 83.68 |