1 electronvolt (eV) = 3.829294e-20 calories (cal). To convert, divide by 2.611447e+19: cal = eV ÷ 2.611447e+19. For example, 5e+18 eV = 0.1914647029 cal.
cal = eV ÷ 2.611447e+19
Electronvolts to calories table
| Electronvolts (eV) | Calories (cal) |
|---|---|
| 1e+18 | 0.0382929406 |
| 2e+18 | 0.0765858812 |
| 3e+18 | 0.1148788217 |
| 4e+18 | 0.1531717623 |
| 5e+18 | 0.1914647029 |
| 1e+19 | 0.3829294058 |
| 2e+19 | 0.7658588117 |
| 2.5e+19 | 0.9573235146 |
| 5e+19 | 1.914647029 |
| 1e+20 | 3.829294058 |
| 2.5e+20 | 9.573235146 |
| 5e+20 | 19.14647029 |
| 1e+21 | 38.29294058 |
The two units
Electronvolt (eV). The energy an electron gains across one volt; exactly 1.602176634 × 10⁻¹⁹ joules since 2019.
Calorie (cal). The thermochemical calorie, exactly 4.184 joules. Food "Calories" are kilocalories.
Convert electronvolts to other units
- Electronvolts to joules — 1 eV = 1.602177e-19 J
- Electronvolts to kilojoules — 1 eV = 1.602177e-22 kJ
- Electronvolts to kilocalories — 1 eV = 3.829294e-23 kcal
- Electronvolts to watt-hours — 1 eV = 4.450491e-23 Wh
- Electronvolts to kilowatt-hours — 1 eV = 4.450491e-26 kWh
- Electronvolts to British thermal units — 1 eV = 1.51857e-22 BTU
Convert other units to calories
Questions people ask
- How many calories are in a electronvolt?
- 3.829294e-20.
- How do you convert electronvolts to calories?
- cal = eV ÷ 2.611447e+19. It is the same as dividing by 2.611447e+19.
- How do you convert calories back to electronvolts?
- eV = cal × 2.611447e+19. See calories to electronvolts.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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