Convert calories to joules

Calories to joules. Enter a value to convert, or use the calories to joules chart further down the page.

1 cal = 4.184 J

1 calorie equals 4.184 joules. Going the other way, 1 joule = 0.2390057361 calories.

How to convert calories to joules

To convert calories to joules, multiply the calorie value by 4.184. You can also divide by 0.2390057361 to get the same answer.

J = cal × 4.184

Convert 15 cal to joules:

15 cal = 62.76 J

Use this calories to joules table for quick reference without typing anything.

The thermochemical calorie is defined as exactly 4.184 joules. Note that the “calories” on food labels are actually kilocalories.

The joule is the SI unit of energy: the work done by a force of one newton acting over one meter.

How many joules are in a calorie?

1 calories equals 4.184 joules. Going the other way, 1 joules is 0.2390057361 calories.

How do you convert calories to joules?

To convert calories to joules, multiply the calorie value by 4.184. You can also divide by 0.2390057361 to get the same answer.

What is 10 calories in joules?

10 calories equals 41.84 joules. The conversion chart on this page lists the other values people look up most often.