Megajoule to Calorie Converter

Convert megajoules to calories with our free online energy converter.

Quick Answer

1 Megajoule = 239005.736138 calories

Formula: Megajoule × conversion factor = Calorie

Use the calculator below for instant, accurate conversions.

Our Accuracy Guarantee

All conversion formulas on UnitsConverter.io have been verified against NIST (National Institute of Standards and Technology) guidelines and international SI standards. Our calculations are accurate to 10 decimal places for standard conversions and use arbitrary precision arithmetic for astronomical units.

Last verified: November 2025|Reviewed by: Sam Mathew, Software Engineer

From:

To:

How to Use the Megajoule to Calorie Calculator:

Enter the value you want to convert in the 'From' field (Megajoule).
The converted value in Calorie will appear automatically in the 'To' field.
Use the dropdown menus to select different units within the Energy category.
Click the swap button (⇌) to reverse the conversion direction.

How to Convert Megajoule to Calorie: Step-by-Step Guide

Converting Megajoule to Calorie involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

cal = MJ × 239006

Example Calculation:

1 MJ = 239005.736138 cal

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

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Conversion Table: Megajoule to Calorie

Megajoule (MJ)	Calorie (cal)
0.5	119,502.868
1	239,005.736
1.5	358,508.604
2	478,011.472
5	1,195,028.681
10	2,390,057.361
25	5,975,143.403
50	11,950,286.807
100	23,900,573.614
250	59,751,434.034
500	119,502,868.069
1,000	239,005,736.138

How do I convert Megajoule to Calorie?

To convert Megajoule to Calorie, enter the value in Megajoule in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our energy converter page to convert between other units in this category.

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What is the conversion factor from Megajoule to Calorie?

The conversion factor depends on the specific relationship between Megajoule and Calorie. You can find the exact conversion formula and factor on this page. Our calculator handles all calculations automatically. See the conversion table above for common values.

Can I convert Calorie back to Megajoule?

Yes! You can easily convert Calorie back to Megajoule by using the swap button (⇌) in the calculator above, or by visiting our Calorie to Megajoule converter page. You can also explore other energy conversions on our category page.

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What are common uses for Megajoule and Calorie?

Megajoule and Calorie are both standard units used in energy measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our energy converter for more conversion options.

For more energy conversion questions, visit our FAQ page or explore our conversion guides.