Calories to Joules Converter
Precise tool to convert calories (cal) to joules (J). Important for nutritional studies and thermodynamics.
Unit Converter
Easily convert between different units of measurement with speed and accuracy.
Factor
4.184000
Precision
3 decimal places
Type
Multiplication
Conversion Formula
1 cal × 4.184000 = 0 JProcess Explanation
To convert from calories to joules, we multiply the value by the conversion factor 4.184000.
Conversion table: Calories a Joules
Calories (cal) | Joules (J) | Common use |
|---|---|---|
1 1 cal | 4.184 J | Basic energy |
2 10 cal | 41.84 J | Low energy |
3 100 cal | 418.4 J | Medium energy |
4 1000 cal | 4184 J | High energy |
5 2000 cal | 8368 J | Very high energy |
Note: The values shown are approximations. For critical calculations, use the interactive converter above for greater precision.
How to convert calories to joules?
Conversion Formula
To convert calories to joules, multiply the number of calories by 4.184. This conversion is essential in thermodynamics, nutrition, and health sciences.
What is a calorie?
The calorie (cal) is a unit of energy traditionally used in nutrition and thermodynamics. It is defined as the energy needed to raise one gram of water by one degree Celsius.
What is a joule?
The joule (J) is the standard unit of energy in the International System of Units, used in physics, engineering, and applied sciences.
Applications of cal to J conversion
Nutritional Analysis
Conversion of caloric values of foods for nutritional research and product labeling.
Sports Science
Calculation of energy expenditure in physical activities and training planning.
Thermodynamics
Studies of heat transfer and thermal processes in engineering.
Scientific Research
Experiments that require precise energy measurements in laboratories.
Frequently Asked Questions
Q How many joules are in a calorie?
One calorie equals exactly 4.184 joules.
Q What is the difference between cal and kcal?
One kilocalorie (kcal) equals 1,000 calories (cal). In nutrition, 'Calorie' is often used to refer to kilocalories.
Q Why use joules instead of calories?
The joule is the international standard unit, which facilitates scientific communication and calculations across different disciplines.