25 electronvolts to joules
25 eV = 4.0054 × 10^-18 J. Change the amount below, or read the formula and the reference table further down.
25 electronvolts equals
joules
1 eV = 1.6022 × 10^-19 J
The formula
Electronvolts and joules both measure energy from the same zero, so a single multiplier does the job.
J = eV × 1.6022 × 10^-19
Going the other way? Convert joules to electronvolts.
Electronvolts to joules table
Values either side of 25 eV.
| Electronvolts (eV) | Joules (J) |
|---|---|
| 15 | 2.4033 × 10^-18 |
| 16 | 2.5635 × 10^-18 |
| 17 | 2.7237 × 10^-18 |
| 18 | 2.8839 × 10^-18 |
| 19 | 3.0441 × 10^-18 |
| 20 | 3.2044 × 10^-18 |
| 21 | 3.3646 × 10^-18 |
| 22 | 3.5248 × 10^-18 |
| 23 | 3.6850 × 10^-18 |
| 24 | 3.8452 × 10^-18 |
| 25 | 4.0054 × 10^-18 |
| 26 | 4.1657 × 10^-18 |
| 27 | 4.3259 × 10^-18 |
| 28 | 4.4861 × 10^-18 |
| 29 | 4.6463 × 10^-18 |
| 30 | 4.8065 × 10^-18 |
| 31 | 4.9667 × 10^-18 |
| 32 | 5.1270 × 10^-18 |
| 33 | 5.2872 × 10^-18 |
| 34 | 5.4474 × 10^-18 |
| 35 | 5.6076 × 10^-18 |
Questions people ask
- How many joules are in a electronvolt?
- One electronvolt equals 1.6022 × 10^-19 joules.
- How do I convert electronvolts to joules by hand?
- Multiply the number of electronvolts by 1.6022 × 10^-19. For a rough check, 1.6022 × 10^-19 is close enough for most everyday use.
- What is 25 electronvolts in joules?
- 25 electronvolts is 4.0054 × 10^-18 joules.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.