Kilowatt-Hour to Electron Volt Converter

Energy Converter

27 units available

Decimals:

From

To

2.246943e+25

1 kWh = 2.246943e+25 eV

Formula:

eV = kWh × 2.246943e+25

With your value: 1 kWh = 2.246943e+25 eV

How big is that?

Everyday references on a logarithmic scale, all expressed in kilowatt-hour so you can sanity-check the result.

Heartbeat (1/3.6e+6 your value)2.78e-7 kWh

AA battery charge (1/3.6e+2 your value)0.00278 kWh

Slice of bread (1/13 your value)0.0778 kWh

Your value1.00 kWh

Daily food intake (2.3× your value)2.33 kWh

Litre of petrol (9.5× your value)9.50 kWh

Other Kilowatt-Hour to Electron Volt conversions

2 kWh to eV 3 kWh to eV 4 kWh to eV 5 kWh to eV 6 kWh to eV 7 kWh to eV 8 kWh to eV

Kilowatt-Hour to Electron Volt Conversion Table

Kilowatt-Hour (kWh)	Electron Volt (eV)
0.5	1.123472e+25
1	2.246943e+25
2	4.493887e+25
5	1.123472e+26
10	2.246943e+26
15	3.370415e+26
20	4.493887e+26
25	5.617358e+26
50	1.123472e+27
100	2.246943e+27
250	5.617358e+27
500	1.123472e+28
1000	2.246943e+28

Electron Volt to Kilowatt-Hour Conversion Table

Electron Volt (eV)	Kilowatt-Hour (kWh)
0.5	2.225245e-26
1	4.450491e-26
2	8.900981e-26
5	2.225245e-25
10	4.450491e-25
15	6.675736e-25
20	8.900981e-25
25	1.112623e-24
50	2.225245e-24
100	4.450491e-24
250	1.112623e-23
500	2.225245e-23
1000	4.450491e-23

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilowatt-Hour (kWh)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Electron Volt (eV)

Energy

Exact conversion

1 eV = 1.602 176 634 × 10⁻¹⁹ J exactly, since the elementary charge is now fixed.

Source: CODATA Internationally Recommended Values of the Fundamental Physical Constants (2022 adjustment)

CODATA / NIST · Reviewed 2026-07-01

How to Convert Kilowatt-Hour to Electron Volt

To convert from Kilowatt-Hour (kWh) to Electron Volt (eV), multiply the value by 2.246943e+25.

Formula: eV = kWh × 2.246943e+25

Reverse: kWh = eV × 4.450491e-26

Step-by-Step Example

Start with your value in Kilowatt-Hour. For example: 5 kWh
Multiply by the conversion factor: 5 x 2.246943e+25
The result is: 1.123472e+26 eV

About Kilowatt-Hour

The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.

Common uses: electricity bills, energy consumption, appliances.

About Electron Volt

The electron volt (eV) is a unit of energy and work. One electron volt equals 1.602177 × 10^-19 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Electron Volt are in 1 Kilowatt-Hour?

There are exactly 2.246943e+25 Electron Volt in 1 Kilowatt-Hour. This means the conversion factor from Kilowatt-Hour to Electron Volt is 2.246943e+25.

What is the formula to convert Kilowatt-Hour to Electron Volt?

The formula to convert Kilowatt-Hour to Electron Volt is: eV = kWh × 2.246943e+25. For example, to convert 10 Kilowatt-Hour to Electron Volt, you would multiply 10 by 2.246943e+25.

What is a Kilowatt-Hour?