eV to Wh Converter - Electron Volt to Watt-hour
Electron Volt (eV) to Watt-hour (Wh)
Direct answer
1 eV = 4.45049065e-23 Wh
Wh = eV × 4.45049065e-23
Converter
Conversion formula
Wh = eV × 4.45049065e-23
eV = Wh × 2.24694327e+22
Example: 10 eV = 10 × 4.45049065e-23 = 4.45049065e-22 Wh.
Common conversion table
| eV | Wh |
|---|---|
| 1 eV | 4.45049065e-23 Wh |
| 2 eV | 8.9009813e-23 Wh |
| 5 eV | 2.22524532e-22 Wh |
| 10 eV | 4.45049065e-22 Wh |
| 20 eV | 8.9009813e-22 Wh |
| 50 eV | 2.22524532e-21 Wh |
| 100 eV | 4.45049065e-21 Wh |
| 1,000 eV | 4.45049065e-20 Wh |
Conversion derivation
Express both eV and Wh in the same base unit J (joule), then cancel the shared base unit.
- 1
Rewrite eV in the base unit
- 2
Rewrite Wh in the base unit
- 3
Forward conversion
- 4
Reverse conversion
AI explanation for this conversion
A guarded explanation for this pair page covering definition, principle, assumptions, and cautions.
AI text is for interpretation only. The page calculator remains the source of truth for numeric results.
FAQ
How many Wh are in 1 eV?
1 eV = 4.45049065e-23 Wh.
How many Wh are in 10 eV?
10 eV = 4.45049065e-22 Wh.
How many Wh are in 100 eV?
100 eV = 4.45049065e-21 Wh.
What is the formula to convert eV to Wh?
Use Wh = eV × 4.45049065e-23.
How many eV are in 1 Wh?
1 Wh = 2.24694327e+22 eV.
What should I check when converting eV to Wh?
Use the conversion factor and round the result to the precision required by your calculation.
