Quickly convert kilojoules to electronvolts and vice versa at Examples.com. Just input your numbers for an instant and reliable conversion.

kJ to eV

Formula: Energy in Electronvolts (eV) = Energy in Kilojoules (kJ) x 6.2415E+21

Kilojoule :

Electronvolt :

KilojoulesElectronvolts
16.2415e+21

eV to kJ

Formula: Energy in Kilojoules (kJ) = Energy in Electronvolts (eV) / 6.2415E+21

Electronvolt :

Kilojoule :

ElectronvoltsKilojoules
11.6021789633902108e-22

Energy Converters to Kilojoule

Kilojoule to JouleKilojoule to Gram CalorieKilojoule to Kilocalorie
Kilojoule to Watt hourKilojoule to Kilowatt-hourKilojoule to Electronvolt
Kilojoule to British thermal unitKilojoule to US ThermKilojoule to Foot-pound

Energy Converters to Electronvolt

Electronvolt to JouleElectronvolt to KilojouleElectronvolt to Gram Calorie
Electronvolt to KilocalorieElectronvolt to Watt hourElectronvolt to Kilowatt-hour
Electronvolt to British thermal unitElectronvolt to US ThermElectronvolt to Foot-pound

Conversion Factor:

  • Kilojoule to Electronvolt : 1 Kilojoule (kJ) = 6.242e+21 Electronvolts (eV)
  • Electronvolt to Kilojoule : 1 Electronvolt (eV) = 1 / 6.242e+21 Kilojoules (kJ)

How to Convert Kilojoules to Electronvolts

To convert kilojoules to electronvolts, multiply the number of kilojoules by 6.242e+21.

Electronvolts (eV)=Kilojoules (kJ)×6.242e+21

Example: Convert 2 kilojoules to electronvolts.

Electronvolts=2×6.242e+21=1.2484e+22 eV

How to Convert Electronvolts to Kilojoules

To convert electronvolts to kilojoules, divide the number of electronvolts by 6.242e+21.

Kilojoules (kJ)=Electronvolts (eV)/6.242e+21

Example: Convert 1e+22 electronvolts to kilojoules.

Kilojoules=1e+22/6.242e+21=1.6022 kJ

Kilojoules to Electronvolts Conversion Table

Kilojoules (kJ)Electronvolts (eV)
1 kJ6.242e+21 eV
2 kJ1.2484e+22 eV
3 kJ1.8726e+22 eV
4 kJ2.4968e+22 eV
5 kJ3.121e+22 eV
6 kJ3.7452e+22 eV
7 kJ4.3694e+22 eV
8 kJ4.9936e+22 eV
9 kJ5.6178e+22 eV
10 kJ6.242e+22 eV
20 kJ1.2484e+23 eV
30 kJ1.8726e+23 eV
40 kJ2.4968e+23 eV
50 kJ3.121e+23 eV
60 kJ3.7452e+23 eV
70 kJ4.3694e+23 eV
80 kJ4.9936e+23 eV
90 kJ5.6178e+23 eV
100 kJ6.242e+23 eV

kJ to eV Conversion Chart

Electronvolts to Kilojoules Conversion Table

Electronvolts (eV)Kilojoules (kJ)
1 eV1.6022e-22 kJ
2 eV3.2044e-22 kJ
3 eV4.8066e-22 kJ
4 eV6.4088e-22 kJ
5 eV8.0110e-22 kJ
6 eV9.6132e-22 kJ
7 eV1.1215e-21 kJ
8 eV1.2818e-21 kJ
9 eV1.4420e-21 kJ
10 eV1.6022e-21 kJ
20 eV3.2044e-21 kJ
30 eV4.8066e-21 kJ
40 eV6.4088e-21 kJ
50 eV8.0110e-21 kJ
60 eV9.6132e-21 kJ
70 eV1.1215e-20 kJ
80 eV1.2818e-20 kJ
90 eV1.4420e-20 kJ
100 eV1.6022e-20 kJ

eV to kJ Conversion Chart

Difference Between Kilojoules to Electronvolts

AspectKilojoules (kJ)Electronvolts (eV)
Unit of MeasurementKilojoules are a unit of energy in the SI system.Electronvolts are a unit of energy commonly used in atomic and nuclear physics.
Relationship to Joules1 Kilojoule is equal to 1,000 Joules.1 Electronvolt is equal to 1.60218e-19 Joules.
Typical UsageKilojoules are often used to measure larger energy quantities.Electronvolts are typically used to measure very small energy quantities.
SymbolThe symbol for kilojoules is “kJ”.The symbol for electronvolts is “eV”.
Fields of ApplicationKilojoules are often used in chemistry and nutrition.Electronvolts are used to describe energy levels of electrons.
Conversion FactorConversion from kilojoules to electronvolts involves multiplying by 6.242e+21.Conversion from electronvolts to kilojoules involves dividing by 6.242e+21.
Suitability for Energy CalculationsKilojoules are more suitable for macroscopic energy calculations.Electronvolts are more suitable for microscopic energy calculations.
ExampleUsed in calculating the energy content of food.Used in measuring the energy of particles in a particle accelerator.

1. Solved Examples on Converting Kilojoules to Electronvolts

Example 1: Convert 10 kilojoules to electronvolts.

Electronvolts=10 kJ×6.242e+21

Electronvolts=6.242×1022 eV

Example 2: Convert 20 kilojoules to electronvolts.

Electronvolts=20 kJ×6.242e+21

Electronvolts=1.2484×1023 eV

Example 3: Convert 30 kilojoules to electronvolts.

Electronvolts=30 kJ×6.242e+21

Electronvolts=1.8726×1023 eV

Example 4: Convert 40 kilojoules to electronvolts.

Electronvolts=40 kJ×6.242e+21

Electronvolts=2.4968×1023 eV

Example 5: Convert 50 kilojoules to electronvolts.

Electronvolts=50 kJ×6.242e+21

Electronvolts=3.121×1023 eV

2. Solved Examples on Converting Electronvolts to Kilojoules

Example 1: Convert 10 electronvolts to kilojoules.

Kilojoules=10 eV6.242e+21

Kilojoules=1.6021×10−21 kJ

Example 2: Convert 20 electronvolts to kilojoules.

Kilojoules=20 eV6.242e+21

Kilojoules=3.2041×10−21 kJ

Example 3: Convert 30 electronvolts to kilojoules.

Kilojoules=30 eV6.242e+21

Kilojoules=4.8062×10−21 kJ

Example 4: Convert 40 electronvolts to kilojoules.

Kilojoules=40 eV6.242e+21

Kilojoules=6.4082×10−21 kJ

Example 5: Convert 50 electronvolts to kilojoules.

Kilojoules=50 eV6.242e+21

Kilojoules=8.0103×10−21 kJ

Why is it important to convert kilojoules to electronvolts in scientific calculations?

Electronvolts are often used in atomic and particle physics to describe the energy of particles, whereas kilojoules are used for larger energy quantities in chemistry and biology. Converting between these units allows for accurate and relevant energy measurements in different scientific fields.

Can I use an online calculator to convert kilojoules to electronvolts?

Yes, online calculators and conversion tools can easily convert kilojoules to electronvolts. Simply enter the value in kilojoules, and the calculator will provide the corresponding value in electronvolts.

Are there any common applications for kilojoules to electronvolts conversions?

Yes, these conversions are common in fields such as particle physics, where the energy of subatomic particles is measured in electronvolts, and in chemistry, where larger quantities of energy may be measured in kilojoules.

Is the conversion factor from kilojoules to electronvolts constant?

Yes, the conversion factor of 6.242e+21 electronvolts per kilojoule is a constant based on the relationship between joules and electronvolts.

Are there any tools available to help with these conversions?

Yes, various online calculators and conversion tools are available to assist with converting kilojoules to electronvolts and vice versa.