Kilojoules to Electronvolts Converter
Convert kilojoules (kJ) to electronvolts (eV), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 kJ = 6.24150907446e21 eV
- 1 × 6.24150907446e21 = 6.24150907446e21 eV
How to convert kilojoules to electronvolts
1 kJ = 6.24150907446 × 10²¹ eV, so multiply by 6.24150907446 to go from kilojoules to electronvolts. Going the other way, 1 eV = 1.602176634 × 10⁻²² kJ.
eV = kJ × 6.24150907446 kJ = eV × 1.602176634
Worked example:
1 kJ = 6.24150907446e21 eV 5 × 6.24150907446e21 = 3.12075453723e22 eV
Kilojoules to electronvolts table
| Kilojoules | Electronvolts |
|---|---|
| 1 kJ | 6.24150907446 × 10²¹ eV |
| 2 kJ | 1.24830181489 × 10²² eV |
| 3 kJ | 1.87245272234 × 10²² eV |
| 4 kJ | 2.49660362978 × 10²² eV |
| 5 kJ | 3.12075453723 × 10²² eV |
| 6 kJ | 3.74490544468 × 10²² eV |
| 7 kJ | 4.36905635212 × 10²² eV |
| 8 kJ | 4.99320725957 × 10²² eV |
| 9 kJ | 5.61735816701 × 10²² eV |
| 10 kJ | 6.24150907446 × 10²² eV |
| 15 kJ | 9.36226361169 × 10²² eV |
| 20 kJ | 1.24830181489 × 10²³ eV |
| 25 kJ | 1.56037726862 × 10²³ eV |
| 30 kJ | 1.87245272234 × 10²³ eV |
| 40 kJ | 2.49660362978 × 10²³ eV |
| 50 kJ | 3.12075453723 × 10²³ eV |
| 75 kJ | 4.68113180585 × 10²³ eV |
| 100 kJ | 6.24150907446 × 10²³ eV |
| 250 kJ | 1.56037726862 × 10²⁴ eV |
| 500 kJ | 3.12075453723 × 10²⁴ eV |
| 1000 kJ | 6.24150907446 × 10²⁴ eV |
About the units
- Kilojoules (kJ)
- Kilojoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
- Electronvolts (eV)
- Electronvolts, a specialised unit. Definition: NIST CODATA: elementary charge (exact since the 2019 SI redefinition).
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