ConvertNavi

Kilocalorie (food calorie) to Joule (kcal → J)

Convert kilocalorie (food calorie) to joule instantly. The conversion factor below is exact by international definition.

Realtime·energy·metric
Exact
kcal
× 4,184
J
4,184
Precision [auto]
6

📐kcal to J formulaExact

J = kcal × 4184
Inverse: kcal = J × 0.000239005736

Worked example: 1 kcal = 4184 J

ℹ️About these units

Kilocalorie (food calorie) (kcal)
Nutrition labels in the US and worldwide as "Calorie".
Joule (J)

📊Reference table: kcal → J

Kilocalorie (food calorie) (kcal)Joule (J)
14,184
28,368
520,920
1041,840
1562,760
2083,680
25104,600
50209,200
100418,400
2501,046,000
5002,092,000
7503,138,000
1,0004,184,000

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: J → kcalkcal → kJkcal → MJkcal → GJkcal → calkcal → Whkcal → kWhkcal → MWhkcal → BTU

🔌API & widget

GET https://convertnavi.com/api/v1/convert?value=10&from=kilocalorie&to=joule
Embed this converter
<div data-convertnavi="kilocalorie->joule"></div>
<script async src="https://convertnavi.com/embed.js"></script>