How are kilocalories converted to kilojoules?

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A woman with curly hair and a handbag shops at a busy outdoor farmer's market in Bulgaria, surrounded by stalls filled with fresh fruits and vegetables. — nutrition Vegetables are an important part of a balanced diet.

To convert kilocalories (often referred to as "calories" in dietary contexts) to kilojoules, you multiply the number of kilocalories by 4.184.12

This conversion factor is recommended by the Committee on Nomenclature of the International Union of Nutritional Sciences to align food energy measurements with broader scientific standards. While the kilocalorie remains the most common unit for food energy globally, many government publications now provide energy values in both kilocalories and kilojoules to ensure clarity.1