1 calorie (cal) = 2.611447e+19 electronvolts (eV). To convert, multiply by 2.611447e+19: eV = cal × 2.611447e+19. For example, 5 cal = 1.305724e+20 eV.
eV = cal × 2.611447e+19
Calories to electronvolts table
| Calories (cal) | Electronvolts (eV) |
|---|---|
| 1 | 2.611447e+19 |
| 2 | 5.222895e+19 |
| 3 | 7.834342e+19 |
| 4 | 1.044579e+20 |
| 5 | 1.305724e+20 |
| 10 | 2.611447e+20 |
| 20 | 5.222895e+20 |
| 25 | 6.528618e+20 |
| 50 | 1.305724e+21 |
| 100 | 2.611447e+21 |
| 250 | 6.528618e+21 |
| 500 | 1.305724e+22 |
| 1,000 | 2.611447e+22 |
The two units
Calorie (cal). The thermochemical calorie, exactly 4.184 joules. Food "Calories" are kilocalories.
Electronvolt (eV). The energy an electron gains across one volt; exactly 1.602176634 × 10⁻¹⁹ joules since 2019.
Convert calories to other units
- Calories to joules — 1 cal = 4.184 J
- Calories to kilojoules — 1 cal = 0.004184 kJ
- Calories to kilocalories — 1 cal = 0.001 kcal
- Calories to watt-hours — 1 cal = 0.0011622222 Wh
- Calories to kilowatt-hours — 1 cal = 0.0000011622 kWh
- Calories to British thermal units — 1 cal = 0.0039656668 BTU
Convert other units to electronvolts
Questions people ask
- How many electronvolts are in a calorie?
- 2.611447e+19.
- How do you convert calories to electronvolts?
- eV = cal × 2.611447e+19. It is the same as dividing by 3.829294e-20.
- How do you convert electronvolts back to calories?
- cal = eV ÷ 2.611447e+19. See electronvolts to calories.
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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