Kilocalorie (kcal)
The kilocalorie equals 1000 calories and is the familiar “Calorie” on food labels.
History: the kilocalorie appeared as a larger heat unit and became the familiar food Calorie.
Quickly convert kilocalories to electronvolts without lookup tables or manual math.
This page is focused on converting kilocalories to electronvolts. Type a number into the first field and the result appears immediately in the second field.
Example: 1 kcal = 2.6114473968E+22 eV. Conversion formula: result = value × 4184 / 1.602176634E-19.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The kilocalorie equals 1000 calories and is the familiar “Calorie” on food labels.
History: the kilocalorie appeared as a larger heat unit and became the familiar food Calorie.
The electronvolt is used in atomic, nuclear, and quantum physics for very small energies.
History: the electronvolt arose in particle physics as the energy of an electron crossing one volt of potential difference.
Enter a value in the Kilocalorie field. The converter applies the formula "result = value × 4184 / 1.602176634E-19" and immediately shows the result in electronvolts.
1 kcal = 2.6114473968E+22 eV.
Yes. Use the swap button or choose the reverse pair from the full conversion list.