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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

eVWh
1 eV4.45049065e-23 Wh
2 eV8.9009813e-23 Wh
5 eV2.22524532e-22 Wh
10 eV4.45049065e-22 Wh
20 eV8.9009813e-22 Wh
50 eV2.22524532e-21 Wh
100 eV4.45049065e-21 Wh
1,000 eV4.45049065e-20 Wh

Conversion derivation

Express both eV and Wh in the same base unit J (joule), then cancel the shared base unit.

  1. 1

    Rewrite eV in the base unit

  2. 2

    Rewrite Wh in the base unit

  3. 3

    Forward conversion

  4. 4

    Reverse conversion

AI explanation for this conversion

A guarded explanation for this pair page covering definition, principle, assumptions, and cautions.

Guarded output

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.

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