2 joules to electronvolts
2 J = 1.2483 × 10^19 eV. Change the amount below, or read the formula and the reference table further down.
2 joules equals
electronvolts
1 J = 6.2415 × 10^18 eV
The formula
Joules and electronvolts both measure energy from the same zero, so a single multiplier does the job.
eV = J × 6.2415 × 10^18
Going the other way? Convert electronvolts to joules.
Joules to electronvolts table
Values either side of 2 J.
| Joules (J) | Electronvolts (eV) |
|---|---|
| -3 | -1.8725 × 10^19 |
| -2.5 | -1.5604 × 10^19 |
| -2 | -1.2483 × 10^19 |
| -1.5 | -9.3623 × 10^18 |
| -1 | -6.2415 × 10^18 |
| -0.5 | -3.1208 × 10^18 |
| 0 | 0 |
| 0.5 | 3.1208 × 10^18 |
| 1 | 6.2415 × 10^18 |
| 1.5 | 9.3623 × 10^18 |
| 2 | 1.2483 × 10^19 |
| 2.5 | 1.5604 × 10^19 |
| 3 | 1.8725 × 10^19 |
| 3.5 | 2.1845 × 10^19 |
| 4 | 2.4966 × 10^19 |
| 4.5 | 2.8087 × 10^19 |
| 5 | 3.1208 × 10^19 |
| 5.5 | 3.4328 × 10^19 |
| 6 | 3.7449 × 10^19 |
| 6.5 | 4.0570 × 10^19 |
| 7 | 4.3691 × 10^19 |
Questions people ask
- How many electronvolts are in a joule?
- One joule equals 6.2415 × 10^18 electronvolts.
- How do I convert joules to electronvolts by hand?
- Multiply the number of joules by 6.2415 × 10^18. For a rough check, 6.2415 × 10^18 is close enough for most everyday use.
- What is 2 joules in electronvolts?
- 2 joules is 1.2483 × 10^19 electronvolts.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.