Calories to Joules Converter

Convert calories (cal) to joules (J) instantly. Type a value below; the result updates as you type. 1 cal = 4.184 J.

How to convert calories to joules

1 cal = 4.184 J. To convert calories to joules, multiply the value by 4.184.

joules = calories × 4.184

Worked examples

  • 5 cal = 20.92 J
  • 12 cal = 50.208 J
  • 100 cal = 418.4 J

Common calories to joules conversions

How many joules is 2 cal?

2 cal is equal to 8.368 J.

How many joules is 10 cal?

10 cal is equal to 41.84 J.

How many joules is 20 cal?

20 cal is equal to 83.68 J.

How many joules is 50 cal?

50 cal is equal to 209.2 J.

How many joules is 100 cal?

100 cal is equal to 418.4 J.

How many joules is 500 cal?

500 cal is equal to 2,092 J.

Calories to joules conversion table

Calories (cal)Joules (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
7 cal29.288 J
8 cal33.472 J
9 cal37.656 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
75 cal313.8 J
100 cal418.4 J
250 cal1,046 J
500 cal2,092 J
1,000 cal4,184 J

Related conversions

Frequently asked questions

How many joules are in 1 calorie?

1 calorie (cal) equals 4.184 joules (J).

How do I convert calories to joules?

To convert calories to joules, multiply the value by 4.184. For example, 5 cal = 20.92 J.

How many calories are in 1 joule?

1 joule (J) equals 0.239006 calories (cal).

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