Converters
12
Kilojoules to Calories Converter
Convert kilojoules to calories instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Kilojoule to Calorie formula
Use this Kilojoule to Calorie page for direct energy conversions. The calculator keeps the exact kJ to cal relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 kJ = 239.005736138 cal
1 Kilojoule equals
Quick factor: 1 kJ = 239.005736138 cal.
The current calculator value is 1 kJ, which equals 239.005736138 cal.
Use the conversion table to compare 1 kJ with the other units in the same category.
Energy units can describe electricity, heat, or nutrition, so retain the unit symbol with every result.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between kJ and cal. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
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Calories to Kilojoules Converter
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Conversion table
1 Kilojoule equals
| Unit | Value |
|---|---|
| Joule J | 1000 |
| Calorie cal | 239.005736138 |
| Kilocalorie kcal | 0.239005736138 |
| Watt-hour Wh | 0.277777777778 |
| Kilowatt-hour kWh | 0.000277777777778 |
| British thermal unit BTU | 0.947817120313 |
FAQ
Kilojoule to Calorie questions
How do you convert Kilojoule to Calorie?
Use the formula 1 kJ = 239.005736138 cal. As a quick check, 1 kJ equals 239.005736138 cal.
Is the Kilojoule to Calorie conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.