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Kilocalories to electronvolts

1 kilocalorie in electronvolts
1 kcal = 2.6114474 × 10^22 eV
eV = kcal × 2.611447397 × 10^22

To convert kilocalories to electronvolts, multiply by 2.611447397 × 10^22. The table below gives the values people look up most often, and the converter works for any number.

Kilocalories to electronvolts table

Common kilocalorie values converted to electronvolts.
Kilocalories Electronvolts
1 kcal 2.6114474 × 10^22
2 kcal 5.2228948 × 10^22
3 kcal 7.8343422 × 10^22
4 kcal 1.044579 × 10^23
5 kcal 1.3057237 × 10^23
10 kcal 2.6114474 × 10^23
15 kcal 3.9171711 × 10^23
20 kcal 5.2228948 × 10^23
25 kcal 6.5286185 × 10^23
30 kcal 7.8343422 × 10^23
40 kcal 1.044579 × 10^24
50 kcal 1.3057237 × 10^24
75 kcal 1.9585855 × 10^24
100 kcal 2.6114474 × 10^24
250 kcal 6.5286185 × 10^24
500 kcal 1.3057237 × 10^25
1,000 kcal 2.6114474 × 10^25

How the conversion works

The relationship is eV = kcal × 2.611447397 × 10^22. Both units measure energy, so the conversion is a fixed factor that never changes.

Kilocalorie: The "calorie" on food labels.

Common questions

How many electronvolts are in one kilocalorie?
One kilocalorie equals 2.6114474 × 10^22 electronvolts. eV = kcal × 2.611447397 × 10^22.
How do you convert kilocalories to electronvolts?
Use eV = kcal × 2.611447397 × 10^22. So 10 kcal is 2.6114474 × 10^23 eV.
How many kilocalories are in one electronvolt?
One electronvolt equals 3.829 × 10^-23 kilocalories, which is the reverse of the conversion above.
Is there more than one kind of kilocalorie?
The "calorie" on food labels.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked