Kilocalories (International Table) to Kilojoules
Type a value in Kilocalories (International Table) and get the result in Kilojoules, calculated exactly.
100 Kilocalories (International Table) = 418.68 Kilojoules
Precision
Exact factorThis result is exact.
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Formula
kJ = kcalIT × 4.1868
To convert Kilocalories (International Table) to Kilojoules, multiply the value by 4.1868.
Worked examples
- 1 kcalIT × 4.1868 = 4.1868 kJ
- 100 kcalIT × 4.1868 = 418.68 kJ
- 50 kcalIT × 4.1868 = 209.34 kJ
This factor is exact by definition.
Conversion table
| Kilocalories (International Table) (kcalIT) | Kilojoules (kJ) |
|---|---|
| 1 | 4.1868 |
| 2 | 8.3736 |
| 3 | 12.5604 |
| 4 | 16.7472 |
| 5 | 20.934 |
| 6 | 25.1208 |
| 7 | 29.3076 |
| 8 | 33.4944 |
| 9 | 37.6812 |
| 10 | 41.868 |
| 15 | 62.802 |
| 20 | 83.736 |
| 25 | 104.67 |
| 30 | 125.604 |
| 40 | 167.472 |
| 50 | 209.34 |
| 60 | 251.208 |
| 70 | 293.076 |
| 75 | 314.01 |
| 80 | 334.944 |
| 90 | 376.812 |
| 100 | 418.68 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Kilojoules to Kilocalories (International Table)
| Kilojoules (kJ) | Kilocalories (International Table) (kcalIT) |
|---|---|
| 1 | ≈ 0.2388459 |
| 2 | ≈ 0.4776918 |
| 3 | ≈ 0.7165377 |
| 4 | ≈ 0.9553836 |
| 5 | ≈ 1.194229 |
| 6 | ≈ 1.433075 |
| 7 | ≈ 1.671921 |
| 8 | ≈ 1.910767 |
| 9 | ≈ 2.149613 |
| 10 | ≈ 2.388459 |
| 15 | ≈ 3.582688 |
| 20 | ≈ 4.776918 |
| 25 | ≈ 5.971147 |
| 30 | ≈ 7.165377 |
| 40 | ≈ 9.553836 |
| 50 | ≈ 11.94229 |
| 60 | ≈ 14.33075 |
| 70 | ≈ 16.71921 |
| 75 | ≈ 17.91344 |
| 80 | ≈ 19.10767 |
| 90 | ≈ 21.49613 |
| 100 | ≈ 23.88459 |
Unit definitions
- Kilocalories (International Table) kcalIT
- Exactly 4186.8 joules, used in engineering and heating.
- Kilojoules kJ
- Exactly 1000 joules.
Questions people ask
Kilocalories (International Table) to Kilojoules: what is the conversion factor?
One kcalIT is 4.1868 kJ.
How do I convert Kilocalories (International Table) to Kilojoules?
Use the formula above. For example, 100 kcalIT = 418.68 kJ.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.