Electron Volt to Kilowatt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

4.450491e-26

1 eV = 4.450491e-26 kWh

Formula:

kWh = eV × 4.450491e-26

With your value: 1 eV = 4.450491e-26 kWh

How big is that?

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

Your value1.00 eV

Heartbeat (6.2e+18× your value)6.24e+18 eV

AA battery charge (6.2e+22× your value)6.24e+22 eV

Slice of bread (1.7e+24× your value)1.75e+24 eV

Daily food intake (5.2e+25× your value)5.24e+25 eV

Litre of petrol (2.1e+26× your value)2.13e+26 eV

Other Electron Volt to Kilowatt-Hour conversions

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

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

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

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.

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

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

How to Convert Electron Volt to Kilowatt-Hour

To convert from Electron Volt (eV) to Kilowatt-Hour (kWh), multiply the value by 4.450491e-26.

Formula: kWh = eV × 4.450491e-26

Reverse: eV = kWh × 2.246943e+25

Step-by-Step Example

Start with your value in Electron Volt. For example: 5 eV
Multiply by the conversion factor: 5 x 4.450491e-26
The result is: 2.225245e-25 kWh

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.

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.

Frequently Asked Questions

How many Kilowatt-Hour are in 1 Electron Volt?

There are exactly 4.450491e-26 Kilowatt-Hour in 1 Electron Volt. This means the conversion factor from Electron Volt to Kilowatt-Hour is 4.450491e-26.

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

The formula to convert Electron Volt to Kilowatt-Hour is: kWh = eV × 4.450491e-26. For example, to convert 10 Electron Volt to Kilowatt-Hour, you would multiply 10 by 4.450491e-26.

What is a Electron Volt?