1 electronvolt (eV) = 1.602177e-22 kilojoules (kJ). To convert, divide by 6.241509e+21: kJ = eV ÷ 6.241509e+21. For example, 5e+20 eV = 0.0801088317 kJ.
kJ = eV ÷ 6.241509e+21
Electronvolts to kilojoules table
| Electronvolts (eV) | Kilojoules (kJ) |
|---|---|
| 1e+20 | 0.0160217663 |
| 2e+20 | 0.0320435327 |
| 3e+20 | 0.048065299 |
| 4e+20 | 0.0640870654 |
| 5e+20 | 0.0801088317 |
| 1e+21 | 0.1602176634 |
| 2e+21 | 0.3204353268 |
| 2.5e+21 | 0.4005441585 |
| 5e+21 | 0.801088317 |
| 1e+22 | 1.602176634 |
| 2.5e+22 | 4.005441585 |
| 5e+22 | 8.01088317 |
| 1e+23 | 16.02176634 |
The two units
Electronvolt (eV). The energy an electron gains across one volt; exactly 1.602176634 × 10⁻¹⁹ joules since 2019.
Kilojoule (kJ). One thousand joules; food labels outside the US often give energy in kJ.
Convert electronvolts to other units
- Electronvolts to joules — 1 eV = 1.602177e-19 J
- Electronvolts to calories — 1 eV = 3.829294e-20 cal
- Electronvolts to kilocalories — 1 eV = 3.829294e-23 kcal
- Electronvolts to watt-hours — 1 eV = 4.450491e-23 Wh
- Electronvolts to kilowatt-hours — 1 eV = 4.450491e-26 kWh
- Electronvolts to British thermal units — 1 eV = 1.51857e-22 BTU
Convert other units to kilojoules
Questions people ask
- How many kilojoules are in a electronvolt?
- 1.602177e-22.
- How do you convert electronvolts to kilojoules?
- kJ = eV ÷ 6.241509e+21. It is the same as dividing by 6.241509e+21.
- How do you convert kilojoules back to electronvolts?
- eV = kJ × 6.241509e+21. See kilojoules to electronvolts.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
Legal entity
Devansh Yadav
Moradabad, Uttar Pradesh
Governing law: Courts at Moradabad, Uttar Pradesh
Phone: +91 8433475698
Legal: legal@analyzeit.in