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Convert calorie to watt second

Here you can quickly calculate how many watt second fit in one calorie.
write a number and we convert instantly
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- scroll: formula · table · questions -

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

Example: calorie to watt second

  • 1 calorie = 4.184 watt second

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

23.6 watt second equals 5.64 calorie.

Correct answer: 23.6 watt second = 5.64 calorie.

242 calorie equals 1 010 watt second.

Correct answer: 242 calorie = 1 010 watt second.

216 calorie equals 904 watt second.

Correct answer: 216 calorie = 904 watt second.

11.9 watt second equals 2.84 calorie.

Correct answer: 11.9 watt second = 2.84 calorie.

More energy conversions