Calorie (nutritional) to Attojoule Conversion
Convert between Calorie (nutritional) and Attojoule quickly and accurately.
How to Convert Calorie (nutritional) to Attojoule
Conversion Formula
Example
Convert 15 cal to aJ:
Unit Information
Learn about the energy units you're converting between
Calorie (nutritional)
cal
Definition
A nutritional calorie (symbol: cal) is a unit of energy used in nutrition, equal to 4,186.8 joules. It represents the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius.
History/Origin
The calorie was originally defined in the 19th century for measuring heat energy. The nutritional calorie became standardized for food labeling and remains widely used in the United States for dietary energy measurements.
Current Use
Nutritional calories are used in food labeling in the United States, dietary planning and nutrition counseling, exercise and fitness tracking, weight management programs, and metabolic research in health and medicine.
Multiplier
4186.8
Offset
0
Attojoule
aJ
Definition
A Attojoule is a unit of Energy in the metric system, equal to one quintillionth of the base unit. It is used for theoretical physics and quantum mechanics and provides precise measurements for applications requiring quantum scales accuracy.
History/Origin
The Attojoule was introduced as part of the metric system with the prefix "atto-" derived from Greek or Latin roots. It became important for measurements requiring theoretical physics and quantum mechanics and provides a standardized unit for quantum scales applications.
Current Use
The Attojoule is used in scientific research, industry, and technology for theoretical physics and quantum mechanics. It provides precise measurements for applications requiring quintillionth-scale accuracy and is essential for quantum scales measurements in various fields.
Multiplier
1E-18
Offset
0
Calorie (nutritional) to Attojoule Conversion Table
| Calorie (nutritional) [cal] | Attojoule [aJ] |
|---|---|
| 1 cal | 4E+21 aJ |
| 10 cal | 4E+22 aJ |
| 25 cal | 1E+23 aJ |
| 50 cal | 2E+23 aJ |
| 100 cal | 4E+23 aJ |
| 0 cal | 0E+0 aJ |
| -10 cal | -4E+22 aJ |
| -40 cal | -2E+23 aJ |
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