ENERGY CONVERSION

Kilocalorie to Electronvolt.

Convert kilocalorie (kcal) to electronvolt (eV), with the math explained.

Energy converter
kcal
2.611447397e22eV
THE RESULT

1 kcal = 2.611447397e22 eV

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert kilocalorie to electronvolt

Multiply your kilocalorie value by 2.61144739675e22 to get the equivalent in electronvolt. Both units are normalized through the joule.

CONVERSION FORMULAeV = kcal × 2.611447397e22
WORKED EXAMPLE

10 kcal = 2.61144739675e23 eV

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

kcal to eV conversion table

Reverse
Kilocalorie (kcal)Electronvolt (eV)
1 kcal2.61144739675e22 eV
2 kcal5.22289479351e22 eV
5 kcal1.30572369838e23 eV
10 kcal2.61144739675e23 eV
20 kcal5.22289479351e23 eV
50 kcal1.30572369838e24 eV
100 kcal2.61144739675e24 eV
500 kcal1.30572369838e25 eV
1,000 kcal2.61144739675e25 eV
kcal

About the kilocalorie

The kilocalorie (kcal) is a unit of energy. One kilocalorie equals 4,184 joule (base unit) in this calculator.

All kilocalorie conversions
eV

About the electronvolt

The electronvolt (eV) is a unit of energy. One electronvolt equals 1.602176634e-19 joule (base unit) in this calculator.

All electronvolt conversions

Common questions

What is 1 kcal in eV?

One kilocalorie equals 2.61144739675e22 eV. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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