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Convert calorie to watt second

Here you can quickly calculate how many watt second fit in one calorie.

- scroll: formula · table · questions -

  • 1 cal = 4.184 Ws
  • 1 Ws = 0.239006 cal

Calorie to watt second conversion table

calorie watt second
1 4.184
2 8.368
5 20.92
10 41.84
20 83.68
50 209.2
100 418.4

Calorie to watt second formula

To convert calorie to watt second, multiply by 4.184.

1 cal = 4.184 Ws
Example: 1 calorie = 4.184 watt second

Common energy conversion mistakes

  • Food 'calories' are actually kilocalories: 1 kcal = 1,000 cal. A '500-calorie' meal therefore contains 500 kcal, half a million small calories. Labels write the same thing as 'kcal' or as 'Cal' with a capital C.

Quick calorie and watt second conversion quiz

Score: 0

16.5 watt second equals 3.94 calorie.

Correct answer: 16.5 watt second = 3.94 calorie.

23 calorie equals 111 watt second.

Correct answer: 23 calorie = 96.2 watt second.

17 calorie equals 64 watt second.

Correct answer: 17 calorie = 71.1 watt second.

5 watt second equals 1.2 calorie.

Correct answer: 5 watt second = 1.2 calorie.

21.6 calorie equals 90.4 watt second.

Correct answer: 21.6 calorie = 90.4 watt second.

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