Joules to Calories

Convert joules (J) to calories (cal) with formulas, examples, and conversion tables.

Joules (J)

Calories (cal)

cal

1 J = 0.239 cal

Full precision:0.23900574 cal

Step-by-Step Solution

To convert 1 joules to calories, we divide by 4.184 because one calorie equals exactly 4.184 joules.

1 calorie = 4.184 joules

Since there are 4.184 joules in every calorie, we divide our value by this factor:

1 ÷ 4.184 = 0.239 calories

So 1 joules = 0.239 calories.

✓Quick check: 0.239 × 4.184 = 1 joules

How to Convert Joules to Calories

To convert joules to calories, divide the value by 4.184.

Calories = Joules ÷ 4.184

1 calorie = 4.184 joules

Tip: To convert calories back to joules, multiply by 4.184.

Example 1: 1 J = 0.239 cal
1 ÷ 4.184 = 0.239

Example 2: 5 J = 1.195 cal
5 ÷ 4.184 = 1.195

Example 3: 10 J = 2.3901 cal
10 ÷ 4.184 = 2.3901