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Convert watt second to calorie

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

- scroll: formula · table · questions -

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

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

Formula to convert watt second to calorie

To convert watt second to calorie, multiply by 0.239006.

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

Common 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 to/from calorie conversion quiz

Score: 0

14.3 watt second equals 3.42 calorie.

Correct answer: 14.3 watt second = 3.42 calorie.

148 calorie equals 619 watt second.

Correct answer: 148 calorie = 619 watt second.

233 calorie equals 975 watt second.

Correct answer: 233 calorie = 975 watt second.

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