How many Calories are in 1 Kilojoule?

There are exactly 239.0057361 Calories (cal) in 1 Kilojoule (kJ). This means that to find the equivalent in Calories, you multiply your Kilojoule value by 239.0057361. This conversion factor is used worldwide in science, engineering, and everyday measurements.

What is 10 Kilojoules in Calories?

10 Kilojoules (kJ) is exactly 2,390.057361 Calories (cal). This is calculated by applying the standard conversion factor: 1 kJ = 239.0057361 cal.

What is 100 Kilojoules in Calories?

100 Kilojoules (kJ) is exactly 23,900.57361 Calories (cal). This is calculated by applying the standard conversion factor: 1 kJ = 239.0057361 cal.

How do I convert Calories back to Kilojoules?

To convert Calories to Kilojoules, divide the value in Calories by 239.0057361. For example, 1 cal = 0.004184 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 Calories?

Converting Kilojoules 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 Kilojoule bigger than Calorie?

To compare, look at the conversion factor: 1 kJ = 239.0057361 cal. If the result is greater than 1, then one Kilojoule is larger than one Calorie. Conversely, 1 cal = 0.004184 kJ. Use this relationship to quickly understand the relative size of these two units.

What is the quickest way to convert Kilojoules to Calories?

The quickest way is to multiply your Kilojoules value by 239.0057361. For a mental math shortcut, remember that 1 kJ is approximately 239.0057361 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 Kilojoule 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 Kilojoule and Calorie are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

Kilojoule → Calorie

From

239.0057361cal

Conversion Table

Conversion table from Kilojoule to Calorie
Kilojoule (kJ)	Calorie (cal)
0.001 kJ	0.2390057361 cal
0.01 kJ	2.390057361 cal
0.1 kJ	23.90057361 cal
1 kJ	239.0057361 cal
2 kJ	478.0114723 cal
3 kJ	717.0172084 cal
4 kJ	956.0229446 cal
5 kJ	1,195.028681 cal
10 kJ	2,390.057361 cal
15 kJ	3,585.086042 cal
20 kJ	4,780.114723 cal
25 kJ	5,975.143403 cal
50 kJ	11,950.28681 cal
100 kJ	23,900.57361 cal
250 kJ	59,751.43403 cal
500 kJ	119,502.8681 cal
1,000 kJ	239,005.7361 cal
5,000 kJ	1,195,028.681 cal
10,000 kJ	2,390,057.361 cal

Formula

To convert Kilojoules to Calories, multiply the value by 239.006. For example, 5 kJ equals 1,195.028681 cal. You can also use UnitShift's free online converter above for instant, accurate results without manual calculation.

Kilojoule → Calorie: multiply the value by 239.006

1 kJ = 239.0057361 cal. To convert Kilojoules to Calories, multiply the kilojoule value by 239.0057361.

Quick Facts

1 kJ

239.0057361 cal

1 cal

0.004184 kJ

10 kJ

2,390.057361 cal

100 kJ

23,900.57361 cal

How to Convert Kilojoules to Calories

Converting kilojoules 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 kilojoules and calories is essential. One kilojoule (kJ) equals exactly 239.0057361 calories (cal), and conversely, one calorie equals 0.004184 kilojoules.

This conversion is frequently used in nutrition and dietary calorie tracking and electricity consumption and billing. For quick reference: 10 kilojoules = 2,390.057361 calories, and 100 kilojoules = 23,900.57361 calories. Our converter above handles any value instantly, including decimal and negative numbers.

The kilojoule 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 kilojoules to calories.

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