Kilojoule to Electronvolt & Electronvolt to Kilojoule

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

Energy Converters to Kilojoule

Kilojoule to Joule	Kilojoule to Gram Calorie	Kilojoule to Kilocalorie
Kilojoule to Watt hour	Kilojoule to Kilowatt-hour	Kilojoule to Electronvolt
Kilojoule to British thermal unit	Kilojoule to US Therm	Kilojoule to Foot-pound

Energy Converters to Electronvolt

Electronvolt to Joule	Electronvolt to Kilojoule	Electronvolt to Gram Calorie
Electronvolt to Kilocalorie	Electronvolt to Watt hour	Electronvolt to Kilowatt-hour
Electronvolt to British thermal unit	Electronvolt to US Therm	Electronvolt 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 kJ	6.242e+21 eV
2 kJ	1.2484e+22 eV
3 kJ	1.8726e+22 eV
4 kJ	2.4968e+22 eV
5 kJ	3.121e+22 eV
6 kJ	3.7452e+22 eV
7 kJ	4.3694e+22 eV
8 kJ	4.9936e+22 eV
9 kJ	5.6178e+22 eV
10 kJ	6.242e+22 eV
20 kJ	1.2484e+23 eV
30 kJ	1.8726e+23 eV
40 kJ	2.4968e+23 eV
50 kJ	3.121e+23 eV
60 kJ	3.7452e+23 eV
70 kJ	4.3694e+23 eV
80 kJ	4.9936e+23 eV
90 kJ	5.6178e+23 eV
100 kJ	6.242e+23 eV

Electronvolts to Kilojoules Conversion Table

Electronvolts (eV)	Kilojoules (kJ)
1 eV	1.6022e-22 kJ
2 eV	3.2044e-22 kJ
3 eV	4.8066e-22 kJ
4 eV	6.4088e-22 kJ
5 eV	8.0110e-22 kJ
6 eV	9.6132e-22 kJ
7 eV	1.1215e-21 kJ
8 eV	1.2818e-21 kJ
9 eV	1.4420e-21 kJ
10 eV	1.6022e-21 kJ
20 eV	3.2044e-21 kJ
30 eV	4.8066e-21 kJ
40 eV	6.4088e-21 kJ
50 eV	8.0110e-21 kJ
60 eV	9.6132e-21 kJ
70 eV	1.1215e-20 kJ
80 eV	1.2818e-20 kJ
90 eV	1.4420e-20 kJ
100 eV	1.6022e-20 kJ

Difference Between Kilojoules to Electronvolts

Aspect	Kilojoules (kJ)	Electronvolts (eV)
Unit of Measurement	Kilojoules are a unit of energy in the SI system.	Electronvolts are a unit of energy commonly used in atomic and nuclear physics.
Relationship to Joules	1 Kilojoule is equal to 1,000 Joules.	1 Electronvolt is equal to 1.60218e-19 Joules.
Typical Usage	Kilojoules are often used to measure larger energy quantities.	Electronvolts are typically used to measure very small energy quantities.
Symbol	The symbol for kilojoules is “kJ”.	The symbol for electronvolts is “eV”.
Fields of Application	Kilojoules are often used in chemistry and nutrition.	Electronvolts are used to describe energy levels of electrons.
Conversion Factor	Conversion from kilojoules to electronvolts involves multiplying by 6.242e+21.	Conversion from electronvolts to kilojoules involves dividing by 6.242e+21.
Suitability for Energy Calculations	Kilojoules are more suitable for macroscopic energy calculations.	Electronvolts are more suitable for microscopic energy calculations.
Example	Used 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=1.8726×10²³eV

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.