Joules to Electronvolts Converter

Enter a value in joules (J) to convert it to electronvolts (eV). You can also switch either unit to any other energy unit.

How to convert joules to electronvolts

One joule is equal to 6.2415091×10^18 electronvolts. To convert joules to electronvolts, multiply the joule value by 6.2415091×10^18.

eV = J × 6.2415091×10^18

Example

Convert 5 joules to electronvolts:

eV = 5 × 6.2415091×10^18 = 3.1207545×10^19 eV

Joules to Electronvolts conversion table

Joules (J)Electronvolts (eV)
0.01 J6.24151 × 1016 eV
0.1 J6.24151 × 1017 eV
0.25 J1.56038 × 1018 eV
0.5 J3.12075 × 1018 eV
1 J6.24151 × 1018 eV
2 J1.2483 × 1019 eV
3 J1.87245 × 1019 eV
4 J2.4966 × 1019 eV
5 J3.12075 × 1019 eV
6 J3.74491 × 1019 eV
7 J4.36906 × 1019 eV
8 J4.99321 × 1019 eV
9 J5.61736 × 1019 eV
10 J6.24151 × 1019 eV
12 J7.48981 × 1019 eV
15 J9.36226 × 1019 eV
20 J1.2483 × 1020 eV
25 J1.56038 × 1020 eV
30 J1.87245 × 1020 eV
40 J2.4966 × 1020 eV
50 J3.12075 × 1020 eV
75 J4.68113 × 1020 eV
100 J6.24151 × 1020 eV
250 J1.56038 × 1021 eV
500 J3.12075 × 1021 eV
1,000 J6.24151 × 1021 eV

About the units

The joule (symbol J) is a unit of energy.

The electronvolt (symbol eV) is a unit of energy equal to 1.602176634×10^-19 joules.