1 watt-hour (Wh) = 2.246943e+22 electronvolts (eV). To convert, multiply by 2.246943e+22: eV = Wh × 2.246943e+22. For example, 5 Wh = 1.123472e+23 eV.
eV = Wh × 2.246943e+22
Watt-hours to electronvolts table
| Watt-hours (Wh) | Electronvolts (eV) |
|---|---|
| 1 | 2.246943e+22 |
| 2 | 4.493887e+22 |
| 3 | 6.74083e+22 |
| 4 | 8.987773e+22 |
| 5 | 1.123472e+23 |
| 10 | 2.246943e+23 |
| 20 | 4.493887e+23 |
| 25 | 5.617358e+23 |
| 50 | 1.123472e+24 |
| 100 | 2.246943e+24 |
| 250 | 5.617358e+24 |
| 500 | 1.123472e+25 |
| 1,000 | 2.246943e+25 |
The two units
Watt-hour (Wh). One watt for one hour: 3,600 joules. Battery capacities are given in Wh.
Electronvolt (eV). The energy an electron gains across one volt; exactly 1.602176634 × 10⁻¹⁹ joules since 2019.
Convert watt-hours to other units
- Watt-hours to joules — 1 Wh = 3,600 J
- Watt-hours to kilojoules — 1 Wh = 3.6 kJ
- Watt-hours to calories — 1 Wh = 860.4206501 cal
- Watt-hours to kilocalories — 1 Wh = 0.8604206501 kcal
- Watt-hours to kilowatt-hours — 1 Wh = 0.001 kWh
- Watt-hours to British thermal units — 1 Wh = 3.412141633 BTU
Convert other units to electronvolts
Questions people ask
- How many electronvolts are in a watt-hour?
- 2.246943e+22.
- How do you convert watt-hours to electronvolts?
- eV = Wh × 2.246943e+22. It is the same as dividing by 4.450491e-23.
- How do you convert electronvolts back to watt-hours?
- Wh = eV ÷ 2.246943e+22. See electronvolts to watt-hours.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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