Electron-volt to Calorie (nutritional) Conversion
Convert between Electron-volt and Calorie (nutritional) quickly and accurately.
How to Convert Electron-volt to Calorie (nutritional)
Conversion Formula
Example
Convert 15 eV to cal:
Unit Information
Learn about the energy units you're converting between
Electron-volt
eV
Definition
An electron-volt (symbol: eV) is a unit of energy used in atomic and particle physics, equal to approximately 1.602 × 10^-19 joules. It represents the kinetic energy gained by an electron when accelerated through a potential difference of one volt.
History/Origin
The electron-volt was introduced in the early 20th century for describing atomic and particle energies. It became essential in atomic physics, quantum mechanics, and particle physics research, providing a convenient energy scale for subatomic particles.
Current Use
Electron-volts are used in atomic physics for describing atomic energy levels, in particle physics for measuring particle energies, in semiconductor physics for band gap energies, and in nuclear physics for nuclear reaction energies.
Multiplier
2E-19
Offset
0
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
Electron-volt to Calorie (nutritional) Conversion Table
| Electron-volt [eV] | Calorie (nutritional) [cal] |
|---|---|
| 1 eV | 4E-23 cal |
| 10 eV | 4E-22 cal |
| 25 eV | 1E-21 cal |
| 50 eV | 2E-21 cal |
| 100 eV | 4E-21 cal |
| 0 eV | 0E+0 cal |
| -10 eV | -4E-22 cal |
| -40 eV | -2E-21 cal |
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