21 Electronvolts to Kilojoules
Convert 21 electronvolts (eV) to kilojoules (kJ) with formulas, examples, and conversion tables.
eV
kJ
21 Electronvolts (eV) = 3.364578e-21 Kilojoules (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Kilojoule = 6.24149596175e21 Electronvolts
2Divide the value by the conversion factor:
21 ÷ 6.24149596175e21 = 3.364578e-21
3Result:
21 Electronvolts (eV) = 3.364578e-21 Kilojoules (kJ)
Electronvolts to Kilojoules Conversion Table
| Electronvolts | Kilojoules |
|---|---|
| 1 eV | 1.60218e-22 kJ |
| 2 eV | 3.20436e-22 kJ |
| 3 eV | 4.80654e-22 kJ |
| 4 eV | 6.40872e-22 kJ |
| 5 eV | 8.0109e-22 kJ |
| 10 eV | 1.60218e-21 kJ |
| 20 eV | 3.20436e-21 kJ |
| 21 eV | 3.36458e-21 kJ |
| 50 eV | 8.0109e-21 kJ |
| 100 eV | 1.60218e-20 kJ |
21 Electronvolts in Other Units
| Unit | 21 eV = |
|---|---|
| Electronvolts to Joules | 3.364578e-18 J |
| Electronvolts to Kilojoules | 3.364578e-21 kJ |
| Electronvolts to Megajoules | 3.364578e-24 MJ |
| Electronvolts to Gigajoules | 3.364578e-27 GJ |
| Electronvolts to Watt-hours | 9.34605e-22 Wh |
| Electronvolts to Kilowatt-hours | 9.34605e-25 kWh |
| Electronvolts to Megawatt-hours | 9.34605e-28 MWh |
| Electronvolts to Calories | 8.04153441683e-19 cal |
| Electronvolts to Kilocalories | 8.04153441683e-22 kcal |
| Electronvolts to BTU | 3.18899209524e-21 BTU |
| Electronvolts to Therms | 3.18900463109e-26 therm |
| Electronvolts to Foot-pounds | 2.48158162588e-18 ft·lb |
| Electronvolts to Ergs | 3.364578e-11 erg |