Convert calories to electronvolts
1 cal = 2.6114 × 10^19 eV. Change the amount below, or read the formula and the reference table further down.
1 calorie equals
electronvolts
1 cal = 2.6114 × 10^19 eV
The formula
Calories and electronvolts both measure energy from the same zero, so a single multiplier does the job.
eV = cal × 2.6114 × 10^19
Going the other way? Convert electronvolts to calories.
Calories to electronvolts table
Common values, rounded for reading.
| Calories (cal) | Electronvolts (eV) |
|---|---|
| 1 | 2.6114 × 10^19 |
| 2 | 5.2229 × 10^19 |
| 3 | 7.8343 × 10^19 |
| 4 | 1.0446 × 10^20 |
| 5 | 1.3057 × 10^20 |
| 6 | 1.5669 × 10^20 |
| 7 | 1.8280 × 10^20 |
| 8 | 2.0892 × 10^20 |
| 9 | 2.3503 × 10^20 |
| 10 | 2.6114 × 10^20 |
| 15 | 3.9172 × 10^20 |
| 20 | 5.2229 × 10^20 |
| 25 | 6.5286 × 10^20 |
| 30 | 7.8343 × 10^20 |
| 40 | 1.0446 × 10^21 |
| 50 | 1.3057 × 10^21 |
| 75 | 1.9586 × 10^21 |
| 100 | 2.6114 × 10^21 |
| 250 | 6.5286 × 10^21 |
| 500 | 1.3057 × 10^22 |
| 1,000 | 2.6114 × 10^22 |
Questions people ask
- How many electronvolts are in a calorie?
- One calorie equals 2.6114 × 10^19 electronvolts.
- How do I convert calories to electronvolts by hand?
- Multiply the number of calories by 2.6114 × 10^19. For a rough check, 2.6114 × 10^19 is close enough for most everyday use.
- What is 1 calorie in electronvolts?
- 1 calorie is 2.6114 × 10^19 electronvolts.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.