How many Kilocalories are in 1 Kilojoule?

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

What is 10 Kilojoules in Kilocalories?

10 Kilojoules (kJ) is exactly 2.390057361 Kilocalories (kcal). This is calculated by applying the standard conversion factor: 1 kJ = 0.2390057361 kcal.

What is 100 Kilojoules in Kilocalories?

100 Kilojoules (kJ) is exactly 23.90057361 Kilocalories (kcal). This is calculated by applying the standard conversion factor: 1 kJ = 0.2390057361 kcal.

How do I convert Kilocalories back to Kilojoules?

To convert Kilocalories to Kilojoules, divide the value in Kilocalories by 0.2390057361. For example, 1 kcal = 4.184 kJ. You can also use the swap button on the converter above to instantly switch the conversion direction.

Why would I need to convert Kilojoules to Kilocalories?

Converting Kilojoules 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 Kilojoule bigger than Kilocalorie?

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

What is the quickest way to convert Kilojoules to Kilocalories?

The quickest way is to multiply your Kilojoules value by 0.2390057361. For a mental math shortcut, remember that 1 kJ is approximately 0.2390057361 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 Kilojoule 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 Kilojoule and Kilocalorie are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

Kilojoule → Kilocalorie

From

0.2390057361kcal

Conversion Table

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

Formula

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

Kilojoule → Kilocalorie: divide the value by 4.18400

1 kJ = 0.2390057361 kcal. To convert Kilojoules to Kilocalories, multiply the kilojoule value by 0.2390057361.

Quick Facts

1 kJ

0.2390057361 kcal

1 kcal

4.184 kJ

10 kJ

2.390057361 kcal

100 kJ

23.90057361 kcal

How to Convert Kilojoules to Kilocalories

Converting kilojoules 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 kilojoules and kilocalories is essential. One kilojoule (kJ) equals exactly 0.2390057361 kilocalories (kcal), and conversely, one kilocalorie equals 4.184 kilojoules.

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

The kilojoule 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 kilojoules to kilocalories.

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