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Convert Kilojoules to Electronvolts

1 kilojoule = 6.241509e+21 electronvolts. Type any value below to convert in either direction — the calculation happens in your browser.

Kilojoules to Electronvolts formula

Multiply the number of kilojoules by 6.241509e+21 to get electronvolts.

electronvolts = kilojoules × 6.241509e+21

To go the other way: divide the number of electronvolts by 6.241509e+21, or multiply by 1.602177e-22.

kilojoules = electronvolts ÷ 6.241509e+21

Kilojoules to Electronvolts conversion table

KilojoulesElectronvolts
1 kJ6.241509e+21 eV
2 kJ1.248302e+22 eV
3 kJ1.872453e+22 eV
4 kJ2.496604e+22 eV
5 kJ3.120755e+22 eV
6 kJ3.744905e+22 eV
7 kJ4.369056e+22 eV
8 kJ4.993207e+22 eV
9 kJ5.617358e+22 eV
10 kJ6.241509e+22 eV
15 kJ9.362264e+22 eV
20 kJ1.248302e+23 eV
25 kJ1.560377e+23 eV
30 kJ1.872453e+23 eV
40 kJ2.496604e+23 eV
50 kJ3.120755e+23 eV
75 kJ4.681132e+23 eV
100 kJ6.241509e+23 eV
250 kJ1.560377e+24 eV
500 kJ3.120755e+24 eV
1,000 kJ6.241509e+24 eV

Electronvolts to Kilojoules conversion table

ElectronvoltsKilojoules
1 eV1.602177e-22 kJ
2 eV3.204353e-22 kJ
3 eV4.806530e-22 kJ
4 eV6.408707e-22 kJ
5 eV8.010883e-22 kJ
6 eV9.613060e-22 kJ
7 eV1.121524e-21 kJ
8 eV1.281741e-21 kJ
9 eV1.441959e-21 kJ
10 eV1.602177e-21 kJ

About the kilojoule

A kilojoule is 1,000 joules and is how food energy is labelled in most of the world.

About the electronvolt

An electronvolt is the energy gained by one electron crossing a one-volt potential, the natural unit of particle physics.

Frequently asked questions

How many electronvolts are in a kilojoule?

There are 6.241509e+21 electronvolts in one kilojoule.

How many kilojoules are in a electronvolt?

There are 1.602177e-22 kilojoules in one electronvolt.

Is this conversion exact?

The ratio between the kilojoule and the electronvolt is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.

What is 10 kilojoules in electronvolts?

10 kilojoules equals 6.241509e+22 electronvolts.

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