/convert/kilojoules-to-calories/ Convert kilojoules to calories (kcal) instantly. Enter any value and get the result. Includes a conversion table and the exact formula. article Kilojoules to Calories (Kcal) Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
⚡ Energy

Kilojoules to Calories (Kcal) Converter

Convert kilojoules to calories (kcal) instantly. Enter any value and get the result. Includes a conversion table and the exact formula.

Quick answer: To convert kilojoules to calories (kcal), multiply by 0.239006. For example, 1 kilojoules = 0.239006 calories (kcal). Use the calculator below for any value.
kilojoules to calories (kcal)
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Common conversions
Kilojoules Calories (Kcal)
Formula:

How to convert kilojoules to calories (kcal)

1

Enter your value

Type the number of kilojoules you want to convert into the left box. The result in calories (kcal) appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Calories (Kcal) to Kilojoules. Your current value carries across so you don't have to re-enter anything.

3

About Kilojoules and Calories (Kcal)

kilojoules and calories (kcal) are both units of energy. Use this converter to switch between them instantly.

💡 Did you know?

Divide kJ by 4.184 to get kcal. A 2,000 kcal day = 8,368 kJ. EU food labels show kJ as primary unit; UK labels show kcal as primary. The 'Calorie' on US labels (capital C) = kcal.

📊 Common conversions at a glance
Kilojoules Calories (Kcal)
100 23.9
200 47.8
400 95.6
500 119.5
600 143.4
800 191.2
Reviewed for 2026. Kilojoules ↔ Calories (Kcal) conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.