Convert electronvolts to watt-hours
1 eV = 0.0000000000000000000000445049065 Wh — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
How to convert electronvolts to watt-hours
Multiply the number of electronvolts by 0.0000000000000000000000445049065 to get watt-hours.
The exact factor is 0.0000000000000000000000445049065 — as a fraction, 89009813/2000000000000000000000000000000.
Electronvolt: Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.
Electronvolt to Watt-hour conversion table
| Electronvolts (eV) | Watt-hours (Wh) |
|---|---|
| 1 eV | 4.4504907e-23 |
| 2 eV | 8.9009813e-23 |
| 3 eV | 1.3351472e-22 |
| 5 eV | 2.2252453e-22 |
| 10 eV | 4.4504907e-22 |
| 20 eV | 8.9009813e-22 |
| 25 eV | 1.1126227e-21 |
| 50 eV | 2.2252453e-21 |
| 100 eV | 4.4504907e-21 |
| 250 eV | 1.1126227e-20 |
| 500 eV | 2.2252453e-20 |
| 1000 eV | 4.4504907e-20 |
Watt-hour to Electronvolt conversion table
| Watt-hours (Wh) | Electronvolts (eV) |
|---|---|
| 1 Wh | 2.2469433e+22 |
| 2 Wh | 4.4938865e+22 |
| 3 Wh | 6.7408298e+22 |
| 5 Wh | 1.1234716e+23 |
| 10 Wh | 2.2469433e+23 |
| 20 Wh | 4.4938865e+23 |
| 25 Wh | 5.6173582e+23 |
| 50 Wh | 1.1234716e+24 |
| 100 Wh | 2.2469433e+24 |
| 250 Wh | 5.6173582e+24 |
| 500 Wh | 1.1234716e+25 |
| 1000 Wh | 2.2469433e+25 |
Frequently asked
How many watt-hours are in a electronvolt?
One electronvolt equals 4.45049065e-23 watt-hours (eV → Wh). That figure is exact, not rounded.
How do you convert electronvolts to watt-hours?
Multiply the number of electronvolts by 0.0000000000000000000000445049065 to get watt-hours.
What is 1 Wh in electronvolts?
One watt-hour is 2.246943267e+22 electronvolts.
What is 10 eV in Wh?
10 eV = 4.4504907e-22 Wh.
What exactly is a electronvolt?
Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.