Convert kilojoules to electronvolts
1 kJ = 6241509074460000000000 eV — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
Show this value in all 39 energy & work units
- Petajoules PJ 1e-12
- Terajoules TJ 1e-9
- Gigajoules GJ 0.000 001
- Megajoules MJ 0.001
- Kilojoules kJ 1
- Joules J 1000
- Millijoules mJ 1 000 000
- Microjoules µJ 1 000 000 000
- Nanojoules nJ 1 000 000 000 000
- Watt-hours Wh 0.277 777 777 778
- Kilowatt-hours kWh 0.000 277 777 777 778
- Megawatt-hours MWh 0.000 000 277 777 777 778
- Gigawatt-hours GWh 2.77777777778e-10
- Terawatt-hours TWh 2.77777777778e-13
- Calorie (thermochemical)s cal 239.005 736 138
- Kilocalories kcal 0.239 005 736 138
- Calorie (IT)s cal (IT) 238.845 896 627
- Kilocalorie (IT)s kcal (IT) 0.238 845 896 627
- British thermal units BTU 0.947 817 120 313
- BTU (thermochemical)s BTU (th) 0.948 451 652 677
- Million BTUs MMBTU 0.000 000 947 817 120 313
- Therm (US)s thm 0.000 009 480 434 279 73
- Therm (EC)s thm (EC) 0.000 009 478 169 879 13
- Electronvolts eV 6.24150907446e+21
- Kiloelectronvolts keV 6.24150907446e+18
- Megaelectronvolts MeV 6 241 509 074 460 000
- Gigaelectronvolts GeV 6 241 509 074 460
- Teraelectronvolts TeV 6 241 509 074.46
- Ergs erg 10 000 000 000
- Foot-pounds ft·lbf 737.562 149 277
- Inch-pounds in·lbf 8850.745 791 33
- Foot-poundals ft·pdl 23 730.360 404 2
- Horsepower-hours hp·h 0.000 372 506 135 999
- Tonne of TNTs t TNT 0.000 000 239 005 736 138
- Kiloton of TNTs kt TNT 2.39005736138e-10
- Megaton of TNTs Mt TNT 2.39005736138e-13
- Hartrees Eₕ 2.2937122784e+20
- Rydbergs Ry 4.58742455679e+20
- Quads quad 9.47817120313e-16
Every row is Kilojoule (kJ) converted through the joule, in exact rational arithmetic.
How to convert kilojoules to electronvolts
Multiply the number of kilojoules by 6241509074460000000000 to get electronvolts.
Electronvolt: Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.
Kilojoule to Electronvolt conversion table
| Kilojoules (kJ) | Electronvolts (eV) |
|---|---|
| 1 kJ | 6.2415091e+21 |
| 2 kJ | 1.2483018e+22 |
| 3 kJ | 1.8724527e+22 |
| 5 kJ | 3.1207545e+22 |
| 10 kJ | 6.2415091e+22 |
| 20 kJ | 1.2483018e+23 |
| 25 kJ | 1.5603773e+23 |
| 50 kJ | 3.1207545e+23 |
| 100 kJ | 6.2415091e+23 |
| 250 kJ | 1.5603773e+24 |
| 500 kJ | 3.1207545e+24 |
| 1000 kJ | 6.2415091e+24 |
Electronvolt to Kilojoule conversion table
| Electronvolts (eV) | Kilojoules (kJ) |
|---|---|
| 1 eV | 1.6021766e-22 |
| 2 eV | 3.2043533e-22 |
| 3 eV | 4.8065299e-22 |
| 5 eV | 8.0108832e-22 |
| 10 eV | 1.6021766e-21 |
| 20 eV | 3.2043533e-21 |
| 25 eV | 4.0054416e-21 |
| 50 eV | 8.0108832e-21 |
| 100 eV | 1.6021766e-20 |
| 250 eV | 4.0054416e-20 |
| 500 eV | 8.0108832e-20 |
| 1000 eV | 1.6021766e-19 |
Frequently asked
How many electronvolts are in a kilojoule?
One kilojoule equals 6.241509074e+21 electronvolts (kJ → eV). That figure is exact, not rounded.
How do you convert kilojoules to electronvolts?
Multiply the number of kilojoules by 6241509074460000000000 to get electronvolts.
What is 1 eV in kilojoules?
One electronvolt is 1.602176634e-22 kilojoules.
What is 10 kJ in eV?
10 kJ = 6.2415091e+22 eV.
What exactly is a electronvolt?
Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.