Convert watt hour (Wh) to electronvolt (eV).
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Electronvolt to Watt Hour Converter (eV to Wh)
Convert electronvolt (eV) to watt hour (Wh).Unit Converter · Energy
Quick answer
1 electronvolt (eV) is approximately equal to 4.450491 × 10⁻²³ watt hours (Wh). 1 watt hour (Wh) is approximately equal to 2.246943 × 10²² electronvolts (eV).
To convert eV to Wh, multiply the value in electronvolts by 4.45049065 × 10⁻²³. For example, 10 eV = 4.45049065 × 10⁻²² Wh, and 100 eV = 4.45049065 × 10⁻²¹ Wh.
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Quick reference — electronvolt to watt hour
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How to convert electronvolts to watt hours
How many watt hours are in an electronvolt? 1 electronvolt is about 4.450491 × 10⁻²³ watt hours. This free eV to Wh converter and electronvolt to watt hour calculator gives the answer instantly for any value.
To convert electronvolt (eV) to watt hour (Wh), multiply the value in electronvolts by 4.45049065 × 10⁻²³.
Wh = eV × 4.45049065 × 10⁻²³
- 1
Take the value in electronvolts
For example, 25 eV.
- 2
Multiply by 4.45049065 × 10⁻²³
25 × 4.45049065 × 10⁻²³.
- 3
Read the answer in watt hours
25 eV = 1.11262266 × 10⁻²¹ Wh.
Electronvolt to Watt Hour conversion table
Common values from 1 to 1,000 electronvolts converted to watt hours.
| Electronvolt (eV) | Watt Hour (Wh) |
|---|---|
| 1 eV | 4.45049065 × 10⁻²³ Wh |
| 2 eV | 8.9009813 × 10⁻²³ Wh |
| 3 eV | 1.33514719 × 10⁻²² Wh |
| 4 eV | 1.78019626 × 10⁻²² Wh |
| 5 eV | 2.22524532 × 10⁻²² Wh |
| 6 eV | 2.67029439 × 10⁻²² Wh |
| 7 eV | 3.11534345 × 10⁻²² Wh |
| 8 eV | 3.56039252 × 10⁻²² Wh |
| 9 eV | 4.00544159 × 10⁻²² Wh |
| 10 eV | 4.45049065 × 10⁻²² Wh |
| 15 eV | 6.67573597 × 10⁻²² Wh |
| 20 eV | 8.9009813 × 10⁻²² Wh |
| 25 eV | 1.11262266 × 10⁻²¹ Wh |
| Electronvolt (eV) | Watt Hour (Wh) |
|---|---|
| 30 eV | 1.33514719 × 10⁻²¹ Wh |
| 40 eV | 1.78019626 × 10⁻²¹ Wh |
| 50 eV | 2.22524533 × 10⁻²¹ Wh |
| 60 eV | 2.67029439 × 10⁻²¹ Wh |
| 70 eV | 3.11534346 × 10⁻²¹ Wh |
| 75 eV | 3.33786799 × 10⁻²¹ Wh |
| 80 eV | 3.56039252 × 10⁻²¹ Wh |
| 90 eV | 4.00544159 × 10⁻²¹ Wh |
| 100 eV | 4.45049065 × 10⁻²¹ Wh |
| 250 eV | 1.11262266 × 10⁻²⁰ Wh |
| 500 eV | 2.22524532 × 10⁻²⁰ Wh |
| 1,000 eV | 4.45049065 × 10⁻²⁰ Wh |
About electronvolts and watt hours
Electronvolt (eV)
An electronvolt (eV) is about 1.602 × 10⁻¹⁹ joules, the energy an electron gains across one volt. It is used in atomic and particle physics.
Watt Hour (Wh)
A watt-hour (Wh) is the energy of one watt used for one hour, equal to 3,600 joules. Battery capacities are often given in Wh.
eV to Wh: common questions
- How many watt hours are in 1 electronvolt?
- 1 electronvolt (eV) is approximately equal to 4.450491 × 10⁻²³ watt hours (Wh). In short: 1 eV ≈ 4.450491 × 10⁻²³ Wh.
- How do I convert electronvolts to watt hours?
- To convert eV to Wh, multiply the value in electronvolts by 4.45049065 × 10⁻²³. For example, 5 eV = 2.22524532 × 10⁻²² Wh.
- What is 10 eV in Wh, and what is 100 eV?
- 10 eV = 4.45049065 × 10⁻²² Wh, and 100 eV = 4.45049065 × 10⁻²¹ Wh. The table above lists more values from 1 to 1,000.
- Is this eV to Wh converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Watt Hour to Electronvolt converter →All Energy converters →
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