Converters
12
Kilocalories to Joules Converter
Convert kilocalories to joules instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Kilocalorie to Joule formula
Use this Kilocalorie to Joule page for direct energy conversions. The calculator keeps the exact kcal to J relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 kcal = 4184 J
1 Kilocalorie equals
Quick factor: 1 kcal = 4184 J.
The current calculator value is 1 kcal, which equals 4184 J.
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 J. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
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Joules 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 Joule questions
How do you convert Kilocalorie to Joule?
Use the formula 1 kcal = 4184 J. As a quick check, 1 kcal equals 4184 J.
Is the Kilocalorie to Joule conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.