How many Kilocalories are in 1 Joule?

There are exactly 0.0002390057361 Kilocalories (kcal) in 1 Joule (J). This means that to find the equivalent in Kilocalories, you multiply your Joule value by 0.0002390057361. This conversion factor is used worldwide in science, engineering, and everyday measurements.

What is 10 Joules in Kilocalories?

10 Joules (J) is exactly 0.002390057361 Kilocalories (kcal). This is calculated by applying the standard conversion factor: 1 J = 0.0002390057361 kcal.

What is 100 Joules in Kilocalories?

100 Joules (J) is exactly 0.02390057361 Kilocalories (kcal). This is calculated by applying the standard conversion factor: 1 J = 0.0002390057361 kcal.

How do I convert Kilocalories back to Joules?

To convert Kilocalories to Joules, divide the value in Kilocalories by 0.0002390057361. For example, 1 kcal = 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 Kilocalories?

Converting Joules to Kilocalories 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 Kilocalorie?

To compare, look at the conversion factor: 1 J = 0.0002390057361 kcal. If the result is greater than 1, then one Joule is larger than one Kilocalorie. Conversely, 1 kcal = 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 Kilocalories?

The quickest way is to multiply your Joules value by 0.0002390057361. For a mental math shortcut, remember that 1 J is approximately 0.0002390057361 kcal. 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 Kilocalorie 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 Kilocalorie are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

Joule → Kilocalorie

From

0.0002390057361kcal

Conversion Table

Conversion table from Joule to Kilocalorie
Joule (J)	Kilocalorie (kcal)
0.001 J	2.3901e-7 kcal
0.01 J	0.000002390057361 kcal
0.1 J	0.00002390057361 kcal
1 J	0.0002390057361 kcal
2 J	0.0004780114723 kcal
3 J	0.0007170172084 kcal
4 J	0.0009560229446 kcal
5 J	0.001195028681 kcal
10 J	0.002390057361 kcal
15 J	0.003585086042 kcal
20 J	0.004780114723 kcal
25 J	0.005975143403 kcal
50 J	0.01195028681 kcal
100 J	0.02390057361 kcal
250 J	0.05975143403 kcal
500 J	0.1195028681 kcal
1,000 J	0.2390057361 kcal
5,000 J	1.195028681 kcal
10,000 J	2.390057361 kcal

Formula

To convert Joules to Kilocalories, divide the value by 4184. For example, 5 J equals 0.001195028681 kcal. You can also use UnitShift's free online converter above for instant, accurate results without manual calculation.

Joule → Kilocalorie: divide the value by 4184

1 J = 0.0002390057361 kcal. To convert Joules to Kilocalories, multiply the joule value by 0.0002390057361.

Quick Facts

1 J

0.0002390057361 kcal

1 kcal

4,184 J

10 J

0.002390057361 kcal

100 J

0.02390057361 kcal

How to Convert Joules to Kilocalories

Converting joules to kilocalories 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 kilocalories is essential. One joule (J) equals exactly 0.0002390057361 kilocalories (kcal), and conversely, one kilocalorie 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 = 0.002390057361 kilocalories, and 100 joules = 0.02390057361 kilocalories. Our converter above handles any value instantly, including decimal and negative numbers.

The joule and kilocalorie 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 kilocalories.

Learn more on Wikipedia