Kiloelectron Volt to Kilowatt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

4.450491e-23

1 keV = 4.450491e-23 kWh

Formula:

kWh = keV × 4.450491e-23

With your value: 1 keV = 4.450491e-23 kWh

How big is that?

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

Your value1.00 keV

Heartbeat (6.2e+15× your value)6.24e+15 keV

AA battery charge (6.2e+19× your value)6.24e+19 keV

Slice of bread (1.7e+21× your value)1.75e+21 keV

Daily food intake (5.2e+22× your value)5.24e+22 keV

Litre of petrol (2.1e+23× your value)2.13e+23 keV

Other Kiloelectron Volt to Kilowatt-Hour conversions

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

Kiloelectron Volt to Kilowatt-Hour Conversion Table

Kiloelectron Volt (keV)	Kilowatt-Hour (kWh)
0.5	2.225245e-23
1	4.450491e-23
2	8.900981e-23
5	2.225245e-22
10	4.450491e-22
15	6.675736e-22
20	8.900981e-22
25	1.112623e-21
50	2.225245e-21
100	4.450491e-21
250	1.112623e-20
500	2.225245e-20
1000	4.450491e-20

Kilowatt-Hour to Kiloelectron Volt Conversion Table

Kilowatt-Hour (kWh)	Kiloelectron Volt (keV)
0.5	1.123472e+22
1	2.246943e+22
2	4.493887e+22
5	1.123472e+23
10	2.246943e+23
15	3.370415e+23
20	4.493887e+23
25	5.617358e+23
50	1.123472e+24
100	2.246943e+24
250	5.617358e+24
500	1.123472e+25
1000	2.246943e+25

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.

Kiloelectron Volt (keV)

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

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 Kiloelectron Volt to Kilowatt-Hour

To convert from Kiloelectron Volt (keV) to Kilowatt-Hour (kWh), multiply the value by 4.450491e-23.

Formula: kWh = keV × 4.450491e-23

Reverse: keV = kWh × 2.246943e+22

Step-by-Step Example

Start with your value in Kiloelectron Volt. For example: 5 keV
Multiply by the conversion factor: 5 x 4.450491e-23
The result is: 2.225245e-22 kWh

About Kiloelectron Volt

The kiloelectron volt (keV) is a unit of energy and work. One kiloelectron volt equals 1.602177 × 10^-16 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 Kiloelectron Volt?

There are exactly 4.450491e-23 Kilowatt-Hour in 1 Kiloelectron Volt. This means the conversion factor from Kiloelectron Volt to Kilowatt-Hour is 4.450491e-23.

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

The formula to convert Kiloelectron Volt to Kilowatt-Hour is: kWh = keV × 4.450491e-23. For example, to convert 10 Kiloelectron Volt to Kilowatt-Hour, you would multiply 10 by 4.450491e-23.

What is a Kiloelectron Volt?