How many Calories are in 1 Joule?

There are exactly 0.2390057361 Calories (cal) in 1 Joule (J). This means that to find the equivalent in Calories, you multiply your Joule value by 0.2390057361. This conversion factor is used worldwide in science, engineering, and everyday measurements.

What is 10 Joules in Calories?

10 Joules (J) is exactly 2.390057361 Calories (cal). This is calculated by applying the standard conversion factor: 1 J = 0.2390057361 cal.

What is 100 Joules in Calories?

100 Joules (J) is exactly 23.90057361 Calories (cal). This is calculated by applying the standard conversion factor: 1 J = 0.2390057361 cal.

How do I convert Calories back to Joules?

To convert Calories to Joules, divide the value in Calories by 0.2390057361. For example, 1 cal = 4.184 J. You can also use the swap button on the converter above to instantly switch the conversion direction.

Why would I need to convert Joules to Calories?

Converting Joules to Calories is commonly needed in international trade, travel, academic studies, engineering projects, and everyday tasks where different measurement systems are used. Many countries use different standard units, making this conversion essential for accurate communication and calculations.

Is Joule bigger than Calorie?

To compare, look at the conversion factor: 1 J = 0.2390057361 cal. If the result is greater than 1, then one Joule is larger than one Calorie. Conversely, 1 cal = 4.184 J. Use this relationship to quickly understand the relative size of these two units.

What is the quickest way to convert Joules to Calories?

The quickest way is to multiply your Joules value by 0.2390057361. For a mental math shortcut, remember that 1 J is approximately 0.2390057361 cal. Round this factor to a convenient number for rough estimates, or use the UnitShift converter above for exact results instantly.

How accurate is this Joule to Calorie converter?

This converter uses full floating-point precision (64-bit double precision) for all calculations, ensuring results accurate to approximately 15 significant digits. The conversion factors between Joule and Calorie are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

Joule → Calorie

From

0.2390057361cal

Conversion Table

Conversion table from Joule to Calorie
Joule (J)	Calorie (cal)
0.001 J	0.0002390057361 cal
0.01 J	0.002390057361 cal
0.1 J	0.02390057361 cal
1 J	0.2390057361 cal
2 J	0.4780114723 cal
3 J	0.7170172084 cal
4 J	0.9560229446 cal
5 J	1.195028681 cal
10 J	2.390057361 cal
15 J	3.585086042 cal
20 J	4.780114723 cal
25 J	5.975143403 cal
50 J	11.95028681 cal
100 J	23.90057361 cal
250 J	59.75143403 cal
500 J	119.5028681 cal
1,000 J	239.0057361 cal
5,000 J	1,195.028681 cal
10,000 J	2,390.057361 cal

Formula

To convert Joules to Calories, divide the value by 4.18400. For example, 5 J equals 1.195028681 cal. You can also use UnitShift's free online converter above for instant, accurate results without manual calculation.

Joule → Calorie: divide the value by 4.18400

1 J = 0.2390057361 cal. To convert Joules to Calories, multiply the joule value by 0.2390057361.

Quick Facts

1 J

0.2390057361 cal

1 cal

4.184 J

10 J

2.390057361 cal

100 J

23.90057361 cal

How to Convert Joules to Calories

Converting joules to calories is one of the most common energy conversions. Whether you're working with international measurements, academic research, or everyday calculations, understanding the relationship between joules and calories is essential. One joule (J) equals exactly 0.2390057361 calories (cal), and conversely, one calorie equals 4.184 joules.

This conversion is frequently used in nutrition and dietary calorie tracking and electricity consumption and billing. For quick reference: 10 joules = 2.390057361 calories, and 100 joules = 23.90057361 calories. Our converter above handles any value instantly, including decimal and negative numbers.

The joule and calorie are both units of energy. The conversion factor between them is constant, making it straightforward to convert in either direction. Other common applications include fitness and exercise energy expenditure and industrial energy efficiency analysis.

Use the conversion table below for pre-calculated values, or enter any custom number in the converter above. All calculations are performed with full floating-point precision to ensure accuracy for both everyday use and professional applications. Bookmark this page for quick access whenever you need to convert joules to calories.

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