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Convert kilocalorie to watt second

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

- scroll: formula · table · questions -

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

Kilocalorie to watt second conversion table

kilocalorie watt second
1 4184
2 8368
5 20920
10 41840
20 83680
50 209200
100 418400

Formula to convert kilocalorie to watt second

To convert kilocalorie to watt second, multiply by 4184.

1 kcal = 4184 Ws
Example: 1 kilocalorie = 4184 watt second

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 kilocalorie to/from watt second conversion quiz

Score: 0

25 kilocalorie equals 2.09e+4 watt second.

Correct answer: 25 kilocalorie = 1.05e+5 watt second.

20 kilocalorie equals 8.37e+3 watt second.

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

100 kilocalorie equals 4.18e+5 watt second.

Correct answer: 100 kilocalorie = 4.18e+5 watt second.

50 watt second equals 0.012 kilocalorie.

Correct answer: 50 watt second = 0.012 kilocalorie.

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