Question 1

How many Calories are in 1 Kilojoule?

Accepted Answer

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.

Question 2

How do I convert Kilojoules to Calories?

Accepted Answer

To convert Kilojoules to Calories, use the conversion factor where 1 kJ = 239.0057361 cal. 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.

Question 3

What is 10 Kilojoules in Calories?

Accepted Answer

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

Question 4

What is 100 Kilojoules in Calories?

Accepted Answer

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

Question 5

How do I convert Calories back to Kilojoules?

Accepted Answer

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.

Question 6

Why would I need to convert Kilojoules to Calories?

Accepted Answer

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.

Question 7

Is Kilojoule bigger than Calorie?

Accepted Answer

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.

Question 8

What is the quickest way to convert Kilojoules to Calories?

Accepted Answer

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.

Question 9

How accurate is this Kilojoule to Calorie converter?

Accepted Answer

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.

Kilojoules (kJ)	Calories (cal)
1 kJ	239.0057361 cal
2 kJ	478.0114723 cal
5 kJ	1,195.028681 cal
10 kJ	2,390.057361 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
500 kJ	119,502.8681 cal
1,000 kJ	239,005.7361 cal

How Many Calories in a Kilojoule?

Kilojoules to Calories Quick Reference

How to Convert

People Also Ask