Convert electronvolts to watt hours
1 eV = 4.4505 × 10^-23 Wh. Change the amount below, or read the formula and the reference table further down.
1 electronvolt equals
watt hours
1 eV = 4.4505 × 10^-23 Wh
The formula
Electronvolts and watt hours both measure energy from the same zero, so a single multiplier does the job.
Wh = eV × 4.4505 × 10^-23
Going the other way? Convert watt hours to electronvolts.
Electronvolts to watt hours table
Common values, rounded for reading.
| Electronvolts (eV) | Watt hours (Wh) |
|---|---|
| 1 | 4.4505 × 10^-23 |
| 2 | 8.9010 × 10^-23 |
| 3 | 1.3351 × 10^-22 |
| 4 | 1.7802 × 10^-22 |
| 5 | 2.2252 × 10^-22 |
| 6 | 2.6703 × 10^-22 |
| 7 | 3.1153 × 10^-22 |
| 8 | 3.5604 × 10^-22 |
| 9 | 4.0054 × 10^-22 |
| 10 | 4.4505 × 10^-22 |
| 15 | 6.6757 × 10^-22 |
| 20 | 8.9010 × 10^-22 |
| 25 | 1.1126 × 10^-21 |
| 30 | 1.3351 × 10^-21 |
| 40 | 1.7802 × 10^-21 |
| 50 | 2.2252 × 10^-21 |
| 75 | 3.3379 × 10^-21 |
| 100 | 4.4505 × 10^-21 |
| 250 | 1.1126 × 10^-20 |
| 500 | 2.2252 × 10^-20 |
| 1,000 | 4.4505 × 10^-20 |
Questions people ask
- How many watt hours are in a electronvolt?
- One electronvolt equals 4.4505 × 10^-23 watt hours.
- How do I convert electronvolts to watt hours by hand?
- Multiply the number of electronvolts by 4.4505 × 10^-23. For a rough check, 4.4505 × 10^-23 is close enough for most everyday use.
- What is 1 electronvolt in watt hours?
- 1 electronvolt is 4.4505 × 10^-23 watt hours.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.