Enter the volts and coulombs, and the calculator will convert volts to joules.
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Enter the number of volts and total charge in coulombs to find the energy in joules. This online calculator can also convert between volts, joules, and coulombs automatically.
Volts measure electrical potential difference, coulombs measure electric charge, and joules measure energy. You can convert volts to joules by multiplying the voltage by the electric charge:
Joules = Volts × Coulombs
If voltage is unknown:
Volts = Joules / Coulombs
If charge (coulombs) is unknown:
Coulombs = Joules / Volts
Using the volts to joules calculator, you can convert volts to joules or vice versa accurately.
| Joules | Volts |
|---|---|
| 1 | 0.2 |
| 75 | 15 |
| 100 | 20 |
| 150 | 30 |
| 200 | 40 |
| 225 | 45 |
| 300 | 60 |
| 360 | 72 |
| 375 | 75 |
| 450 | 90 |
| 525 | 105 |
| 600 | 120 |
| 675 | 135 |
| 750 | 150 |
| 825 | 165 |
One joule is equivalent to: 1 J = 6.242 × 1018 V
One electron volt is equal to: 1 eV = 1.602 × 10-19 J
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