calories to joules

Free online calories to joules converter, type a value and get the result instantly. No signup, works offline in your browser.

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All calculations run locally in your browser, nothing is uploaded.

Conversion formula

1 cal = 4.184 J

How to convert calories to joules step by step

  1. Write down the value you want to convert in calories.
  2. Multiply it by the conversion factor: 4.184 (because 1 cal = 4.184 J).
  3. The result is your value in joules. Example: 10 cal × 4.184 = 41.84 J.

Tip: to go the other way, divide by the factor, or use the joules to calories converter.

calories to joules conversion table

calories (cal)joules (J)
0.1 cal0.4184 J
0.25 cal1.046 J
0.5 cal2.092 J
1 cal4.184 J
2 cal8.368 J
3 cal12.552 J
4 cal16.736 J
5 cal20.92 J
6 cal25.104 J
8 cal33.472 J
10 cal41.84 J
15 cal62.76 J
20 cal83.68 J
25 cal104.6 J
30 cal125.52 J
40 cal167.36 J
50 cal209.2 J
60 cal251.04 J
75 cal313.8 J
100 cal418.4 J
120 cal502.08 J
122 cal510.448 J
146 cal610.864 J
150 cal627.6 J
190 cal794.96 J
200 cal836.8 J
250 cal1046 J
300 cal1255.2 J
400 cal1673.6 J
500 cal2092 J
600 cal2510.4 J
750 cal3138 J
800 cal3347.2 J
1000 cal4184 J
1500 cal6276 J
1810 cal7573.04 J
1930 cal8075.12 J
2000 cal8368 J
2500 cal10460 J
3000 cal12552 J
4000 cal16736 J
5000 cal20920 J
7500 cal31380 J
10000 cal41840 J
10500 cal43932 J

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FAQ

How do I convert calories to joules?

Type a value in calories in the converter above, the equivalent in joules is calculated instantly. 1 cal equals 4.184 J.

What is the formula to convert calories to joules?

Multiply the value in calories by 4.184 to get the value in joules.

How many joules are in 1 calories?

There are 4.184 joules in 1 cal.

How do I convert joules back to calories?

Divide the value in joules by 4.184, or use the swap button (⇄) in the converter above.

What does cal stand for?

cal is the standard abbreviation for calories. E.g. 1 cal = 4.184 J.

What does J stand for?

J is the standard abbreviation for joules.