Home Conversions Energy Kilocalories to Joules

Energy

Kilocalories to Joules

Convert kilocalories (kcal) to joules (J). Type a value below to see the result update instantly. Reference table and formula included.

Calculator

kcal
J

1 kcal = 4184 J

Kilocalories to Joules Conversion Table

Common values, ready to copy:

kilocaloriesjoules
1 kcal4184 J
2 kcal8368 J
5 kcal20920 J
10 kcal41840 J
25 kcal104600 J
50 kcal209200 J
100 kcal418400 J
1,000 kcal4.1840e+6 J
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Formula

joules = kilocalories × 4184

Energy uses the SI joule. Food calories (kcal) are 1,000 small calories: 1 kcal = 4,184 J. 1 kWh = 3.6 MJ = 3,600,000 J. 1 BTU = 1,055.06 J.

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