Joules to Electronvolts Converter
1 joule = 6.241509 × 10¹⁸ electronvolts
1 electronvolt = 1.602177 × 10⁻¹⁹ joules
How to convert joules to electronvolts
To convert joules to electronvolts, divide the value in joules by 1.602177 × 10⁻¹⁹.
eV = J ÷ 1.602177 × 10⁻¹⁹
Example: 100 J ÷ 1.602177 × 10⁻¹⁹ = 6.241509 × 10²⁰ eV
Joules to Electronvolts conversion table
| Joule (J) | Electronvolt (eV) |
|---|---|
| 1 J | 6.241509 × 10¹⁸ eV |
| 2 J | 1.248302 × 10¹⁹ eV |
| 3 J | 1.872453 × 10¹⁹ eV |
| 4 J | 2.496604 × 10¹⁹ eV |
| 5 J | 3.120755 × 10¹⁹ eV |
| 6 J | 3.744905 × 10¹⁹ eV |
| 7 J | 4.369056 × 10¹⁹ eV |
| 8 J | 4.993207 × 10¹⁹ eV |
| 9 J | 5.617358 × 10¹⁹ eV |
| 10 J | 6.241509 × 10¹⁹ eV |
| 12 J | 7.489811 × 10¹⁹ eV |
| 15 J | 9.362264 × 10¹⁹ eV |
| 20 J | 1.248302 × 10²⁰ eV |
| 25 J | 1.560377 × 10²⁰ eV |
| 30 J | 1.872453 × 10²⁰ eV |
| 40 J | 2.496604 × 10²⁰ eV |
| 50 J | 3.120755 × 10²⁰ eV |
| 60 J | 3.744905 × 10²⁰ eV |
| 70 J | 4.369056 × 10²⁰ eV |
| 75 J | 4.681132 × 10²⁰ eV |
| 80 J | 4.993207 × 10²⁰ eV |
| 90 J | 5.617358 × 10²⁰ eV |
| 100 J | 6.241509 × 10²⁰ eV |
| 150 J | 9.362264 × 10²⁰ eV |
| 200 J | 1.248302 × 10²¹ eV |
| 250 J | 1.560377 × 10²¹ eV |
| 500 J | 3.120755 × 10²¹ eV |
| 1,000 J | 6.241509 × 10²¹ eV |
About these units
Joule (J)
The joule (J) is a unit of energy in the International System of Units (SI). It is the reference unit for all energy conversions on this site.
Electronvolt (eV)
The electronvolt (eV) is a unit of energy. 1 electronvolt equals 1.602177 × 10⁻¹⁹ joules. This value is exact by definition.
Frequently asked questions
What is 1 joule in electronvolts?
1 joule equals 6.241509 × 10¹⁸ electronvolts.
How do I convert joules to electronvolts?
To convert joules to electronvolts, divide the value in joules by 1.602177 × 10⁻¹⁹. Example: 100 J ÷ 1.602177 × 10⁻¹⁹ = 6.241509 × 10²⁰ eV
What is 100 J in electronvolts?
100 joules equals 6.241509 × 10²⁰ electronvolts.