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Convert watt second to calorie

Here you can quickly calculate how many calorie fit in one watt second.
write a number and we convert instantly
swap direction → TWh

- scroll: formula · table · questions -

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

Example: watt second to calorie

  • 1 watt second = 0.239006 calorie

Watt second to calorie conversion table

watt second calorie
1 0.239006
2 0.478011
5 1.195029
10 2.390057
20 4.780115
50 11.950287
100 23.900574

Watt second to calorie formula

To convert watt second to calorie, multiply by 0.239006.

1 Ws = 0.239006 cal
Example: 1 watt second = 0.239006 calorie

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 watt second and calorie conversion quiz

Score: 0

197 watt second equals 51.8 calorie.

Correct answer: 197 watt second = 47.1 calorie.

1.4 calorie equals 4.98 watt second.

Correct answer: 1.4 calorie = 5.86 watt second.

12.5 calorie equals 52.3 watt second.

Correct answer: 12.5 calorie = 52.3 watt second.

216 calorie equals 904 watt second.

Correct answer: 216 calorie = 904 watt second.

More energy conversions