The calorie is a traditional energy unit originally defined based on heating water.
Historically common in chemistry and nutrition science.
Measurement system: Non-SI, traditional unit. SI equivalent: 1 cal = 4.184 J.
Calorie facts
- Unit name
- Calorie
- Symbol
- cal
- Category
- Energy
- Measurement system
- Non-SI, traditional unit
- SI equivalent
- 1 cal = 4.184 J
- Common uses
- Nutrition science and chemistry
Definition of the calorie
The calorie is a traditional energy unit originally defined based on heating water.
Measurement system and SI relationship
Non-SI, traditional unit
SI equivalent: 1 cal = 4.184 J
History of the calorie
Historically common in chemistry and nutrition science.
Where is the calorie used?
Nutrition science and chemistry