Calorie to Joule
1 cal = 4.184 J
One calorie equals 4.184 joules, and one joule equals 0.239006 calories.
Calorie to Joule formula
J = cal × 4.184
To convert calories to joules, multiply the value by 4.184. One calorie equals 4.184 joules.
Step-by-step examples
Convert 1 calories to joules
- 1Start with the value in calories: 1 cal.
- 2Multiply by the conversion factor 4.184.
- 31 × 4.184 = 4.184 J.
Result: 1 cal = 4.184 J
Convert 10 calories to joules
- 1Start with the value in calories: 10 cal.
- 2Multiply by the conversion factor 4.184.
- 310 × 4.184 = 41.84 J.
Result: 10 cal = 41.84 J
Convert 100 calories to joules
- 1Start with the value in calories: 100 cal.
- 2Multiply by the conversion factor 4.184.
- 3100 × 4.184 = 418.4 J.
Result: 100 cal = 418.4 J
Calorie to Joule conversion table
Calorie to Joule chart
cal (horizontal) vs J (vertical)
Batch convert — paste multiple values
Related converters
Reverse: Joule to CalorieConvert from the same unit
Convert to the same unit
Frequently asked questions
How many joules are in a calorie?
There are 4.184 joules in one calorie (1 cal = 4.184 J).
How do you convert calories to joules?
To convert calories to joules, multiply the value by 4.184. One calorie equals 4.184 joules.
What is 10 calories in joules?
10 calories equals 41.84 joules.
How many calories are in a joule?
One joule equals 0.239006 calories (1 J = 0.239006 cal).