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Watt hour to Electronvolt

Convert Watt hour to Electronvolt and get the exact value instantly.

About this conversion

To convert Watt hour to Electronvolt, multiply the number of Watt hour by 2.246943e22.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Watt hour (Wh)Electronvolt (eV)
1 Wh2.246943e22 eV
2 Wh4.493887e22 eV
5 Wh1.123472e23 eV
10 Wh2.246943e23 eV
100 Wh2.246943e24 eV

How to use this converter

  1. Enter your Watt hour value

    Type any number into the Watt hour field. It starts at 1 so you can read the rate straight away.

  2. Read the Electronvolt result

    The amount in Electronvolt updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Electronvolt are in one Watt hour?
One Watt hour equals 2.246943e22 eV. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Watt hour to Electronvolt conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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