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Convert watt second to kilocalorie

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

- scroll: formula · table · questions -

  • 1 Ws = 0.000239 kcal
  • 1 kcal = 4184 Ws

Watt second to kilocalorie conversion table

watt second kilocalorie
1 0.000239
2 0.000478
5 0.001195
10 0.00239
20 0.00478
50 0.01195
100 0.023901

Watt second to kilocalorie formula

To convert watt second to kilocalorie, divide by 4184.

1 Ws = 0.000239 kcal
Example: 1 watt second = 0.000239 kilocalorie

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 kilocalorie conversion quiz

Score: 0

1 kilocalorie equals 4.18e+3 watt second.

Correct answer: 1 kilocalorie = 4.18e+3 watt second.

10 kilocalorie equals 4.18e+4 watt second.

Correct answer: 10 kilocalorie = 4.18e+4 watt second.

20 kilocalorie equals 8.37e+4 watt second.

Correct answer: 20 kilocalorie = 8.37e+4 watt second.

25 watt second equals 0.00598 kilocalorie.

Correct answer: 25 watt second = 0.00598 kilocalorie.

2 kilocalorie equals 4.18e+4 watt second.

Correct answer: 2 kilocalorie = 8.37e+3 watt second.

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