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Kilocalorie to Electronvolt Converter

Convert Kilocalories to Electronvolts

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How to Convert Kilocalories to Electronvolts

To convert kilocalories to electronvolts (eV), multiply the number of kilocalories by 2.611 x 1022. This is because 1 kilocalorie is equal to 4,184 joules, and 1 joule is equal to approximately 6.242 x 1018 eV.

Formula

Electronvolts = Kilocalories × (2.611 × 1022)

or

eV = kcal × 2.611e22

Step-by-step process

  1. Take the measurement in kilocalories
  2. Multiply that number by 2.611e22
  3. The result is the equivalent energy in electronvolts

Examples

  • 1 kcal = 1 × 2.611e22 = 2.611 x 1022 eV
  • 5 kcal = 5 × 2.611e22 = 1.3055 x 1023 eV
  • 10 kcal = 10 × 2.611e22 = 2.611 x 1023 eV

Common Kilocalories to Electronvolts Conversions

Here is a table of common conversions for quick reference:

Kilocalories (kcal) Electronvolts (eV) Kilocalories (kcal) Electronvolts (eV)
1 2.611e+22 100 2.611e+24
5 1.306e+23 250 6.528e+24
10 2.611e+23 500 1.306e+25
25 6.528e+23 1,000 2.611e+25
50 1.306e+24 5,000 1.306e+26

Other conversions from kilocalories

Kilocalories can be converted to various other units of energy. Here are some common conversions:

Frequently Asked Questions

How many kilocalories are in an electronvolt?

There are 3.829 x 10-23 kilocalories in one electronvolt.