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.
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Show this value in all 39 energy & work units
- Petajoules PJ 4.184e-12
- Terajoules TJ 4.184e-9
- Gigajoules GJ 0.000 004 184
- Megajoules MJ 0.004 184
- Kilojoules kJ 4.184
- Joules J 4184
- Millijoules mJ 4 184 000
- Microjoules µJ 4 184 000 000
- Nanojoules nJ 4 184 000 000 000
- Watt-hours Wh 1.162 222 222 22
- Kilowatt-hours kWh 0.001 162 222 222 22
- Megawatt-hours MWh 0.000 001 162 222 222 22
- Gigawatt-hours GWh 1.16222222222e-9
- Terawatt-hours TWh 1.16222222222e-12
- Calorie (thermochemical)s cal 1000
- Kilocalories kcal 1
- Calorie (IT)s cal (IT) 999.331 231 489
- Kilocalorie (IT)s kcal (IT) 0.999 331 231 489
- British thermal units BTU 3.965 666 831 39
- BTU (thermochemical)s BTU (th) 3.968 321 714 8
- Million BTUs MMBTU 0.000 003 965 666 831 39
- Therm (US)s thm 0.000 039 666 137 026 4
- Therm (EC)s thm (EC) 0.000 039 656 662 774 3
- Electronvolts eV 2.61144739675e+22
- Kiloelectronvolts keV 2.61144739675e+19
- Megaelectronvolts MeV 2.61144739675e+16
- Gigaelectronvolts GeV 26 114 473 967 500
- Teraelectronvolts TeV 26 114 473 967.5
- Ergs erg 41 840 000 000
- Foot-pounds ft·lbf 3085.960 032 58
- Inch-pounds in·lbf 37 031.520 390 9
- Foot-poundals ft·pdl 99 287.827 931 3
- Horsepower-hours hp·h 0.001 558 565 673 02
- Tonne of TNTs t TNT 0.000 001
- Kiloton of TNTs kt TNT 1e-9
- Megaton of TNTs Mt TNT 1e-12
- Hartrees Eₕ 9.59689217281e+20
- Rydbergs Ry 1.91937843456e+21
- Quads quad 3.96566683139e-15
Every row is Kilocalorie (kcal) converted through the joule, in exact rational arithmetic.
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.