Electronvolt to Kilocalorie Converter
Convert Electronvolts to Kilocalories
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How to Convert Electronvolts to Kilocalories
To convert electronvolts (eV) to kilocalories (kcal), multiply the number of electronvolts by 3.829 x 10-23. This is because 1 eV is equal to 1.60218 x 10-19 joules, and 1 kilocalorie is 4,184 joules.
Formula
Kilocalories = Electronvolts × (3.829 × 10-23)
or
kcal = eV × 3.829e-23
Step-by-step process
- Take the measurement in electronvolts
- Multiply that number by 3.829e-23
- The result is the equivalent energy in kilocalories
Examples
- 1e22 eV = 1e22 × 3.829e-23 = 0.3829 kcal
- 1e23 eV = 1e23 × 3.829e-23 = 3.829 kcal
- 1e24 eV = 1e24 × 3.829e-23 = 38.29 kcal
Common Electronvolts to Kilocalories Conversions
Here is a table of common conversions for quick reference:
| Electronvolts (eV) | Kilocalories (kcal) | Electronvolts (eV) | Kilocalories (kcal) |
|---|---|---|---|
| 1e21 | 0.0383 | 1e25 | 382.9 |
| 1e22 | 0.3829 | 1e26 | 3,829 |
| 1e23 | 3.829 | 1e27 | 38,290 |
| 1e24 | 38.29 | 1e28 | 382,900 |
Other conversions from electronvolts
Electronvolts can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many electronvolts are in a kilocalorie?
There are approximately 2.611 x 1022 electronvolts in one kilocalorie.