Calories to Kiloelectronvolts Converter
Convert calories (thermochemical) (cal) to kiloelectronvolts (keV), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 cal = 2.61144739675e16 keV
- 1 × 2.61144739675e16 = 2.61144739675e16 keV
How to convert calories to kiloelectronvolts
1 cal = 2.61144739675 × 10¹⁶ keV, so multiply by 2.61144739675 to go from calories (thermochemical) to kiloelectronvolts. Going the other way, 1 keV = 3.82929405832 × 10⁻¹⁷ cal.
keV = cal × 2.61144739675 cal = keV × 3.82929405832
Worked example:
1 cal = 2.61144739675e16 keV 5 × 2.61144739675e16 = 1.30572369838e17 keV
Calories to kiloelectronvolts table
| Calories | Kiloelectronvolts |
|---|---|
| 1 cal | 2.61144739675 × 10¹⁶ keV |
| 2 cal | 5.22289479351 × 10¹⁶ keV |
| 3 cal | 7.83434219026 × 10¹⁶ keV |
| 4 cal | 1.0445789587 × 10¹⁷ keV |
| 5 cal | 1.30572369838 × 10¹⁷ keV |
| 6 cal | 1.56686843805 × 10¹⁷ keV |
| 7 cal | 1.82801317773 × 10¹⁷ keV |
| 8 cal | 2.0891579174 × 10¹⁷ keV |
| 9 cal | 2.35030265708 × 10¹⁷ keV |
| 10 cal | 2.61144739675 × 10¹⁷ keV |
| 15 cal | 3.91717109513 × 10¹⁷ keV |
| 20 cal | 5.22289479351 × 10¹⁷ keV |
| 25 cal | 6.52861849189 × 10¹⁷ keV |
| 30 cal | 7.83434219026 × 10¹⁷ keV |
| 40 cal | 1.0445789587 × 10¹⁸ keV |
| 50 cal | 1.30572369838 × 10¹⁸ keV |
| 75 cal | 1.95858554757 × 10¹⁸ keV |
| 100 cal | 2.61144739675 × 10¹⁸ keV |
| 250 cal | 6.52861849189 × 10¹⁸ keV |
| 500 cal | 1.30572369838 × 10¹⁹ keV |
| 1000 cal | 2.61144739675 × 10¹⁹ keV |
About the units
- Calories (cal)
- Calories (thermochemical), a specialised unit. The thermochemical calorie, 4.184 J, used on US food labels as 1 Calorie = 1 kilocalorie. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Kiloelectronvolts (keV)
- Kiloelectronvolts, a specialised unit. Definition: NIST CODATA: elementary charge (exact since the 2019 SI redefinition).
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