NiftyRecipe Online energy conversion
kJ/kcal 0.239006 kJ/kWh 0.000278 kcal/cal 1000 kJ/BTU 0.947817 cal/MJ 0.000004 MJ/kJ 1000
kcal / J

5 kilocalories in joule

20920 joule

1 kcal = 4184 J · factor

Reverse: 1 joule ≈ 0.000239 kilocalorie. Use the reference table for common values.

Enter a value and click Calculate - opens the page with the new result

Common values

joule to kilocalorie 1 kilocalorie in joule

Same amount, other units

5 kilocalories → kJ 5 kilocalories → cal 5 kilocalories → kWh 5 kilocalories → BTU 5 kilocalories → MJ 5 kilocalories → Wh
Formula: kilocalorie to joule

J = kcal × 4184 (1 KCAL = 4184 J)

Reference values: kilocalorie → joule
kcal J
1 kcal 4184 J
100 kcal 418400 J
200 kcal 836800 J
500 kcal 2092000 J
1000 kcal 4184000 J
2000 kcal 8368000 J

All amounts for this pair

FAQ for kcal → J
5 kilocalories in joule

NiftyRecipe converts 5 kilocalories to 20920 joule with a fixed SI-linked factor.

Kilojoules and megajoules describe energy on a scientific scale. The ratio applied here is 1 kilocalorie = 4184 joule, so this amount is 20920 joule. Reverse check: 1 joule ≈ 0.000239 kilocalorie. That helps when a lab notebook or spreadsheet only lists one column.

Change the value in the calculator for homework, datasheets or rough process estimates. The wording stays technical on purpose so these pages read differently from food-label articles on the same site.