---
title: "Kilojoules to Calories — kJ to cal converter"
description: "1 kilojoule = 239.0057 calories. Convert kilojoules to calories with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/kilojoules-to-calories/
site: "At One Place"
---

# Kilojoules to calories

**1 kilojoule in calories: 1 kJ = 239.0057 cal**

cal = kJ × 239.0057361

To convert kilojoules to calories, multiply by 239.0057361. The table below gives the values people look up most often, and the converter works for any number.

## Kilojoules to calories table

*Common kilojoule values converted to calories.*

| Kilojoules | Calories |
| --- | --- |
| 1 kJ | 239.0057 |
| 2 kJ | 478.0115 |
| 3 kJ | 717.0172 |
| 4 kJ | 956.0229 |
| 5 kJ | 1,195.0287 |
| 10 kJ | 2,390.0574 |
| 15 kJ | 3,585.086 |
| 20 kJ | 4,780.1147 |
| 25 kJ | 5,975.1434 |
| 30 kJ | 7,170.1721 |
| 40 kJ | 9,560.2294 |
| 50 kJ | 11,950.287 |
| 75 kJ | 17,925.43 |
| 100 kJ | 23,900.574 |
| 250 kJ | 59,751.434 |
| 500 kJ | 119,502.87 |
| 1,000 kJ | 239,005.74 |

## How the conversion works

The relationship is cal = kJ × 239.0057361. Both units measure energy, so the conversion is a fixed factor that never changes.

> Calorie: Thermochemical (small) calorie.

## Common questions

### How many calories are in one kilojoule?

One kilojoule equals 239.0057 calories. cal = kJ × 239.0057361.

### How do you convert kilojoules to calories?

Use cal = kJ × 239.0057361. So 10 kJ is 2,390.0574 cal.

### How many kilojoules are in one calorie?

One calorie equals 0.004184 kilojoules, which is the reverse of the conversion above.

### Is there more than one kind of calorie?

Thermochemical (small) calorie.

## Related pages

- [Calories to Kilojoules](https://atoneplace.net/convert/calories-to-kilojoules/)
- [Kilojoules to Joules](https://atoneplace.net/convert/kilojoules-to-joules/)
- [Kilojoules to Kilocalories](https://atoneplace.net/convert/kilojoules-to-kcal/)
- [Kilojoules to Watt-hours](https://atoneplace.net/convert/kilojoules-to-watt-hours/)
- [Kilojoules to Kilowatt-hours](https://atoneplace.net/convert/kilojoules-to-kwh/)
- [Kilojoules to British thermal units](https://atoneplace.net/convert/kilojoules-to-btu/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)