Convert kilojoules to calories
1 kJ = 239.01 cal. Change the amount below, or read the formula and the reference table further down.
1 kilojoule equals
calories
1 kJ = 239.01 cal
The formula
Kilojoules and calories both measure energy from the same zero, so a single multiplier does the job.
cal = kJ × 239.01
Going the other way? Convert calories to kilojoules.
Kilojoules to calories table
Common values, rounded for reading.
| Kilojoules (kJ) | Calories (cal) |
|---|---|
| 1 | 239.01 |
| 2 | 478.01 |
| 3 | 717.02 |
| 4 | 956.02 |
| 5 | 1,195.03 |
| 6 | 1,434.03 |
| 7 | 1,673.04 |
| 8 | 1,912.05 |
| 9 | 2,151.05 |
| 10 | 2,390.06 |
| 15 | 3,585.09 |
| 20 | 4,780.11 |
| 25 | 5,975.14 |
| 30 | 7,170.17 |
| 40 | 9,560.23 |
| 50 | 11,950.29 |
| 75 | 17,925.43 |
| 100 | 23,900.57 |
| 250 | 59,751.43 |
| 500 | 119,502.87 |
| 1,000 | 239,005.74 |
Questions people ask
- How many calories are in a kilojoule?
- One kilojoule equals 239.01 calories.
- How do I convert kilojoules to calories by hand?
- Multiply the number of kilojoules by 239.01. For a rough check, 239.01 is close enough for most everyday use.
- What is 1 kilojoule in calories?
- 1 kilojoule is 239.01 calories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.