Watt Hour to Electronvolt Converter (Wh to eV)

How to Convert Watt Hour to Electronvolt

Formula: Electronvolt = Watt Hour × 2.2469433e+22

Example: 1 Wh = 2.2469433e+22 eV

You can also use the interactive converter above. Simply enter any Watt Hour value and the equivalent Electronvolt value will appear instantly. Click the ⇄ button to reverse the conversion.

A little context on Watt-hour and Electronvolt helps this conversion stick, along with some frequently asked questions below.

Step-by-step example — Convert 100 Wh to eV:

What is Watt-hour and Electronvolt?

A Watt-hour (Wh) is a small electrical energy unit equal to one-thousandth of a kilowatt-hour.

An Electronvolt (eV) is an extremely small energy unit used for particle and atomic-scale physics.

Real World Uses of Watt-hour to Electronvolt Conversion

• Watt-hour: Commonly used for rating phone, laptop and power bank battery capacity.
• Electronvolt: Commonly used for describing semiconductor band gap energy in electronics.
• Watt-hour: Commonly used to state the energy capacity of batteries and small electronics.
• Electronvolt: Commonly used in chemistry and materials science to measure atomic and molecular energy levels.

Frequently Asked Questions

What is the formula to convert Watt-hour to Electronvolt?

The formula is: Electronvolt = Watt-hour x 22469433000000000000000. Multiply any Watt-hour value by 22469433000000000000000 to get the equivalent in Electronvolt.

What is 1 Watt-hour in Electronvolt?

1 Wh = 22469433000000000000000 eV.

How many Watt-hour are in 1 Electronvolt?

1 eV = 0 Wh.

Is Watt-hour bigger or smaller than Electronvolt?

Watt-hour is bigger than Electronvolt. 1 Watt-hour = 22469433000000000000000 eV.

What is 500 Wh in eV?

500 Wh = 1.123472e+25 eV.

What is 1000000 eV in Wh?

1000000 eV = 4.450491e-17 Wh.

Why are batteries rated in watt-hours?

Watt-hours combine power and time into one number, showing how long a battery can sustain a given power draw — useful for comparing devices with different voltages and currents.