ENERGY CONVERSION
Electronvolt to Watt-hour.
Convert electronvolt (eV) to watt-hour (Wh), with the math explained.
1 eV = 4.45049065e-23 Wh
THE MATH, MADE SIMPLE
How to convert electronvolt to watt-hour
Multiply your electronvolt value by 4.45049065e-23 to get the equivalent in watt-hour. Both units are normalized through the joule.
Wh = eV × 4.45049065e-2310 eV = 4.45049065e-22 Wh
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
eV to Wh conversion table
| Electronvolt (eV) | Watt-hour (Wh) |
|---|---|
| 1 eV | 4.45049065e-23 Wh |
| 2 eV | 8.9009813e-23 Wh |
| 5 eV | 2.225245325e-22 Wh |
| 10 eV | 4.45049065e-22 Wh |
| 20 eV | 8.9009813e-22 Wh |
| 50 eV | 2.225245325e-21 Wh |
| 100 eV | 4.45049065e-21 Wh |
| 500 eV | 2.225245325e-20 Wh |
| 1,000 eV | 4.45049065e-20 Wh |
About the electronvolt
The electronvolt (eV) is a unit of energy. One electronvolt equals 1.602176634e-19 joule (base unit) in this calculator.
All electronvolt conversionsAbout the watt-hour
The watt-hour (Wh) is a unit of energy. One watt-hour equals 3,600 joule (base unit) in this calculator.
All watt-hour conversionsCommon questions
What is 1 eV in Wh?
One electronvolt equals 4.45049065e-23 Wh. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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