Converters
12
Kilocalories to Kilojoules Converter
Convert kilocalories to kilojoules instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Kilocalorie to Kilojoule formula
Use this Kilocalorie to Kilojoule page for direct energy conversions. The calculator keeps the exact kcal to kJ relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 kcal = 4.184 kJ
1 Kilocalorie equals
Quick factor: 1 kcal = 4.184 kJ.
The current calculator value is 1 kcal, which equals 4.184 kJ.
Use the conversion table to compare 1 kcal 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 kcal and kJ. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
Popular conversions
Kilojoules to Kilocalories Converter
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Conversion table
1 Kilocalorie equals
| Unit | Value |
|---|---|
| Joule J | 4184 |
| Kilojoule kJ | 4.184 |
| Calorie cal | 1000 |
| Watt-hour Wh | 1.16222222222 |
| Kilowatt-hour kWh | 0.00116222222222 |
| British thermal unit BTU | 3.96566683139 |
FAQ
Kilocalorie to Kilojoule questions
How do you convert Kilocalorie to Kilojoule?
Use the formula 1 kcal = 4.184 kJ. As a quick check, 1 kcal equals 4.184 kJ.
Is the Kilocalorie to Kilojoule conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.