Convert kilocalories to electronvolts
1 kcal = 26114473967500000000000 eV — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
2.61144739675e+22eV
As a fraction: 20920000000000000000000000000000/801088317
1 kcal = 26114473967500000000000 eV
How to convert kilocalories to electronvolts
Multiply the number of kilocalories by 26114473967500000000000 to get electronvolts.
Kilocalorie: The Calorie on food labels — 1000 small calories.
Electronvolt: Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.
Kilocalorie to Electronvolt conversion table
| Kilocalories (kcal) | Electronvolts (eV) |
|---|---|
| 1 kcal | 2.6114474e+22 |
| 2 kcal | 5.2228948e+22 |
| 3 kcal | 7.8343422e+22 |
| 5 kcal | 1.3057237e+23 |
| 10 kcal | 2.6114474e+23 |
| 20 kcal | 5.2228948e+23 |
| 25 kcal | 6.5286185e+23 |
| 50 kcal | 1.3057237e+24 |
| 100 kcal | 2.6114474e+24 |
| 250 kcal | 6.5286185e+24 |
| 500 kcal | 1.3057237e+25 |
| 1000 kcal | 2.6114474e+25 |
Electronvolt to Kilocalorie conversion table
| Electronvolts (eV) | Kilocalories (kcal) |
|---|---|
| 1 eV | 3.8292941e-23 |
| 2 eV | 7.6585881e-23 |
| 3 eV | 1.1487882e-22 |
| 5 eV | 1.914647e-22 |
| 10 eV | 3.8292941e-22 |
| 20 eV | 7.6585881e-22 |
| 25 eV | 9.5732351e-22 |
| 50 eV | 1.914647e-21 |
| 100 eV | 3.8292941e-21 |
| 250 eV | 9.5732351e-21 |
| 500 eV | 1.914647e-20 |
| 1000 eV | 3.8292941e-20 |
Frequently asked
How many electronvolts are in a kilocalorie?
One kilocalorie equals 2.611447397e+22 electronvolts (kcal → eV). That figure is exact, not rounded.
How do you convert kilocalories to electronvolts?
Multiply the number of kilocalories by 26114473967500000000000 to get electronvolts.
What is 1 eV in kilocalories?
One electronvolt is 3.829294058e-23 kilocalories.
What is 10 kcal in eV?
10 kcal = 2.6114474e+23 eV.
What exactly is a kilocalorie?
The Calorie on food labels — 1000 small calories.
What exactly is a electronvolt?
Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.