Electronvolts to Watt-hours
Convert eV to Wh. 1 electronvolt = 4.450491e-23 Wh, and 1 watt-hour = 2.246943e+22 eV.
Formula Divide the value in electronvolts by 2.246943e+22. Electronvolts to Watt-hours table
1 electronvolt in every unit
| Joules | 1.602177e-19 | J |
|---|---|---|
| Kilojoules | 1.602177e-22 | kJ |
| Megajoules | 1.602177e-25 | MJ |
| Calories | 3.829294e-20 | cal |
| Kilocalories | 3.829294e-23 | kcal |
| Watt-hours | 4.450491e-23 | Wh |
| Kilowatt-hours | 4.450491e-26 | kWh |
| British thermal units | 1.51857e-22 | BTU |
| Foot-pounds | 1.181705e-19 | ft·lbf |
Food labels write kilocalories (kcal) as "Calories". Calories here are thermochemical: 1 cal = 4.184 J.
How to convert electronvolts to watt-hours
Divide the value in electronvolts by 2.246943e+22.
For example, 10 eV = 4.450491e-22 Wh, and 10 Wh = 2.246943e+23 eV.
Frequently asked questions
How many watt-hours are in one electronvolt?
1 electronvolt = 4.450491e-23 Wh.
What is 10 eV in Wh?
10 eV = 4.450491e-22 Wh.
How do I convert Wh back to eV?
Multiply the value in watt-hours by 2.246943e+22. 1 watt-hour = 2.246943e+22 eV.
Electronvolts to Watt-hours table
| Electronvolts (eV) | Watt-hours (Wh) |
|---|---|
| 0.1 | 4.450491e-24 |
| 0.5 | 2.225245e-23 |
| 1 | 4.450491e-23 |
| 2 | 8.900981e-23 |
| 3 | 1.335147e-22 |
| 4 | 1.780196e-22 |
| 5 | 2.225245e-22 |
| 6 | 2.670294e-22 |
| 7 | 3.115343e-22 |
| 8 | 3.560393e-22 |
| 9 | 4.005442e-22 |
| 10 | 4.450491e-22 |
| 15 | 6.675736e-22 |
| 20 | 8.900981e-22 |
| 25 | 1.112623e-21 |
| 30 | 1.335147e-21 |
| 50 | 2.225245e-21 |
| 75 | 3.337868e-21 |
| 100 | 4.450491e-21 |
| 250 | 1.112623e-20 |
| 500 | 2.225245e-20 |
| 1,000 | 4.450491e-20 |
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