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Kcal to Kj Converter.

kcal
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kJ
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Reference Table

J kJ cal kcal Wh kWh BTU eV
20922.0925000.50.58111111110.00058111111.9828261.305868e+22
2092020.92500055.8111110.005811111119.8282561.305868e+23
209200209.2500005058.1111110.0581111111198.2825621.305868e+24
20920002092500000500581.1111110.58111111111982.82561.305868e+25
2092000020920500000050005811.11115.81111119828.25621.305868e+26
209200000209200500000005000058111.111158.111111198282.56211.305868e+27
20920000002092000500000000500000581111.1111581.1111111982825.62131.305868e+28

How to convert kcal to kj

Formula. kilojoules = kilocalories × 4.184.

Relationship. 1 kcal = 4.184 kJ.

Worked example. 500 kcal = 2092 kJ.

kcal to kj conversion table

kcal kJ
10 41.84
20 83.68
50 209.2
100 418.4
150 627.6
200 836.8
250 1046
300 1255.2
400 1673.6
500 2092
600 2510.4
700 2928.8
800 3347.2
900 3765.6
1000 4184
1200 5020.8
1500 6276
1800 7531.2
2000 8368
2500 10460
3000 12552
3500 14644
4000 16736
5000 20920
10000 41840

FAQ

Frequently Asked Questions

How do I convert kilocalories to kilojoules?
Multiply kilocalories by 4.184. For example, 500 kcal × 4.184 = 2092 kJ.
How many kJ is 2000 kcal?
2000 kcal equals 8368 kJ, roughly the daily energy intake guideline for many adults.
Are food Calories the same as kcal?
Yes — one food Calorie equals one kilocalorie, so 250 kcal is 250 Calories and 1046 kJ.
Why is the factor 4.184?
One calorie is defined as 4.184 joules (the energy to raise 1 g of water by 1 °C), so 1 kcal = 4.184 kJ.

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