Electronvolt to kilocalorie converter (ev to kcal)

Conversion Formula

1 ev = 3.83e-23 kcal

Step-by-Step Explanation

1. Understand the base relationship:
   1 Electronvolt = 1.60e-19 joules
   1 Kilocalorie = 4.18k joules
2. Establish the conversion factor:
   1 ev = (1.60e-19 J) / (4.18k J/kcal) = 3.83e-23 kcal
3. Apply the conversion:
   Multiply the value in ev by 3.83e-23 to get the equivalent in kcal

Example Conversion

Convert 5 ev to kcal:

5 ev × 3.83e-23 = 1.91e-22 kcal