Calories to Joules
Convert calories (cal) to joules (J).

About this conversion

Convert joules (J), calories (cal), kilowatt-hours (kWh), BTU, and other energy units. Energy is the capacity to do work; the joule (J) is the SI unit (1 J = 1 N·m). Nutritional calories and electrical kWh use different reference definitions tied to joules.

This energy converter transforms values from Calories (cal) to Joules (J). Results update instantly using the exact conversion factor.

The calorie (cal) is a unit of energy; 1 cal ≈ 4.184 J (thermochemical calorie).

The joule (J) is the SI unit of energy (1 J = 1 N·m).

Calories to Joules Formula

1 cal × 4.184 = 4.184 J

How to convert Calories to Joules?

J = cal × 4.184

To convert cal to J, multiply the value in cal by 4.184 (conversion factor). Example: 1 cal × 4.184 = 4.184 J.

Example: Convert 10 cal to J

10 cal × 4.184 = 41.84 J

Calories to Joules Conversion Table

Common values from cal to J.

1 cal 4.184 J
2 cal 8.368 J
3 cal 12.552 J
4 cal 16.736 J
5 cal 20.92 J
6 cal 25.104 J
7 cal 29.288 J
8 cal 33.472 J
9 cal 37.656 J
10 cal 41.84 J
11 cal 46.024 J
12 cal 50.208 J
13 cal 54.392 J
14 cal 58.576 J
15 cal 62.76 J
16 cal 66.944 J
17 cal 71.128 J
18 cal 75.312 J
19 cal 79.496 J
20 cal 83.68 J

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