Convert electronvolts to kilocalories
1 eV = 3.8293 × 10^-23 kcal. Change the amount below, or read the formula and the reference table further down.
1 electronvolt equals
kilocalories
1 eV = 3.8293 × 10^-23 kcal
The formula
Electronvolts and kilocalories both measure energy from the same zero, so a single multiplier does the job.
kcal = eV × 3.8293 × 10^-23
Going the other way? Convert kilocalories to electronvolts.
Electronvolts to kilocalories table
Common values, rounded for reading.
| Electronvolts (eV) | Kilocalories (kcal) |
|---|---|
| 1 | 3.8293 × 10^-23 |
| 2 | 7.6586 × 10^-23 |
| 3 | 1.1488 × 10^-22 |
| 4 | 1.5317 × 10^-22 |
| 5 | 1.9146 × 10^-22 |
| 6 | 2.2976 × 10^-22 |
| 7 | 2.6805 × 10^-22 |
| 8 | 3.0634 × 10^-22 |
| 9 | 3.4464 × 10^-22 |
| 10 | 3.8293 × 10^-22 |
| 15 | 5.7439 × 10^-22 |
| 20 | 7.6586 × 10^-22 |
| 25 | 9.5732 × 10^-22 |
| 30 | 1.1488 × 10^-21 |
| 40 | 1.5317 × 10^-21 |
| 50 | 1.9146 × 10^-21 |
| 75 | 2.8720 × 10^-21 |
| 100 | 3.8293 × 10^-21 |
| 250 | 9.5732 × 10^-21 |
| 500 | 1.9146 × 10^-20 |
| 1,000 | 3.8293 × 10^-20 |
Questions people ask
- How many kilocalories are in a electronvolt?
- One electronvolt equals 3.8293 × 10^-23 kilocalories.
- How do I convert electronvolts to kilocalories by hand?
- Multiply the number of electronvolts by 3.8293 × 10^-23. For a rough check, 3.8293 × 10^-23 is close enough for most everyday use.
- What is 1 electronvolt in kilocalories?
- 1 electronvolt is 3.8293 × 10^-23 kilocalories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.