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20 Calories to Joules

Answer
20 cal = 83.68 J
joules = calories × 4.184
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83.68

20 calories = 83.68 joules · open this conversion

How the answer is worked out

One calorie is 4.184 joules, so converting is a single multiplication:

20 cal × 4.184 = 83.68 J

Conversion table around 20 cal

CaloriesJoules
1 cal4.184 J
2 cal8.368 J
5 cal20.92 J
10 cal41.84 J
20 cal83.68 J
25 cal104.6 J
50 cal209.2 J
100 cal418.4 J
150 cal627.6 J
200 cal836.8 J
250 cal1,046 J
300 cal1,255.2 J
400 cal1,673.6 J
500 cal2,092 J
600 cal2,510.4 J
800 cal3,347.2 J
1,000 cal4,184 J
1,500 cal6,276 J
2,000 cal8,368 J
2,500 cal10,460 J
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Nearby conversions

2 cal to J5 cal to J10 cal to J25 cal to J50 cal to J100 cal to J
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Related conversions

⇄ 20 Joules to Calories20 Calories to Kilojoules20 Calories to Kilocalories20 Calories to Watt hours20 Calories to Kilowatt hours

Frequently asked questions

▸How many joules is 20 calories?
20 calories is 83.68 joules. The conversion multiplies by 4.184, so 20 × 4.184 = 83.68.
▸What is the formula to convert calories to joules?
joules = calories × 4.184. One calorie is 4.184 joules.
▸How do I convert 20 joules back to calories?
Use the reverse conversion: 20 joules is 4.780115 calories.
▸Is this conversion exact?
The underlying factor is exact as defined by the SI and the 1959 international agreements. The figure shown is rounded to seven significant digits for readability.
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