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Kilojoules to Calories converter

Convert kJ to cal instantly. Type any value and get the result in calories. 1 kJ = 239.006 cal.

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Energy›kJ → cal
From
To
result below ↓
1 kJ=
239.006cal
formula1 kJ = 239.006 cal

Common kilojoules → calories

=239.006 cal
=478.011 cal
=1,195.03 cal
=2,390.06 cal
=4,780.11 cal
=11,950.3 cal
=23,900.6 cal
=119,503 cal
=239,006 cal

Need a different value? .

Convert the other way
Calories to Kilojoules

How to convert kilojoules to calories

To convert kilojoules to calories, multiply the value by 239.006.

Formula
cal = kJ × 239.006

For example:

  • →5 kJ = 1,195.03 cal
  • →100 kJ = 23,900.6 cal

Quick reference

  • ▸1 kJ = 239.006 cal
  • ▸1 cal = 0.004184 kJ

When you need to convert kJ to cal

  • ·Nutrition — converting calories to kilojoules on food labels.
  • ·Electricity bills — kWh consumption.
  • ·Heating — BTU ratings for furnaces.
  • ·Exercise — calorie burn during workouts.
  • ·Science — chemistry and physics problems.

Frequently asked

How many calories are in 1 kilojoule?
One kilojoule equals 239.006 calories.
How do I convert kJ to cal in my head?
Multiply the value in kilojoules by 239.006 to get calories.
What is the formula for kilojoules to calories?
cal = kJ × 239.006.
What is the reverse — how many kilojoules in 1 calorie?
One calorie equals 0.004184 kilojoules.

Related conversions

Calories to Kilojoules
1 cal = 0.004184 kJ
Kilojoules to Joules
1 kJ = 1,000 J
Kilojoules to Kilocalories
1 kJ = 0.239006 kcal
Kilojoules to Watt-hours
1 kJ = 0.277778 Wh
Joules to Calories
1 J = 0.239006 cal
Kilocalories to Calories
1 kcal = 1,000 cal
Watt-hours to Calories
1 Wh = 860.421 cal
Kilowatt-hours to Calories
1 kWh = 860,421 cal
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