Kilocalories to Joules Converter

Instantly convert Kilocalories (kcal) to Joules (J). Free online converter with formula and table.

kcal
J
1 kcal = 4,184 J
1 Kilocalorie = 4,184 joules
1 Joule = 0.0002390057 kilocalories

Kilocalories to Joules Conversion Table

Kilocalories (kcal)Joules (J)
0.0014.184
0.0141.84
0.1418.4
0.52,092
14,184
28,368
520,920
1041,840

How to Convert Kilocalories to Joules

J = kcal × 4,184

Example

Convert 10 kilocalories to joules:

10 kcal × 4,184 = 41,840 J

About These Units

Frequently Asked Questions

How many Joules are in a Kilocalorie?

There are 4,184 Joules in one Kilocalorie.

How do I convert Kilocalories to Joules?

To convert Kilocalories to Joules, multiply the value in Kilocalories by 4,184. For example, 10 Kilocalories = 10 × 4,184 = 41,840 Joules.

What is the formula to convert Kilocalories to Joules?

The formula is: Joules (J) = Kilocalories (kcal) × 4,184

How do I convert Joules back to Kilocalories?

To convert Joules to Kilocalories, multiply by 0.0002390057 (or divide by 4,184).