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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

Kilocalorie to watt second formula

To convert kilocalorie to watt second, multiply by 4184.

1 kcal = 4184 Ws
Example: 1 kilocalorie = 4184 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 kilocalorie and watt second conversion quiz

Score: 0

50 kilocalorie equals 1.05e+6 watt second.

Correct answer: 50 kilocalorie = 2.09e+5 watt second.

1 watt second equals 2.39e-5 kilocalorie.

Correct answer: 1 watt second = 0.000239 kilocalorie.

10 watt second equals 0.012 kilocalorie.

Correct answer: 10 watt second = 0.00239 kilocalorie.

25 watt second equals 0.0299 kilocalorie.

Correct answer: 25 watt second = 0.00598 kilocalorie.

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