Joules (J) go áireamhán tiontaithe leictreon-volta (eV) agus conas a thiontú.
Iontráil an fuinneamh i ngutaí agus brúigh an cnaipe Tiontaigh :
Tá goule amháin cothrom le 6.241509⋅10 18 leictreon-volta:
1J = 6.241509e18 eV = 6.241509⋅10 18 eV
Mar sin tá an fuinneamh i voltais leictreon E (eV) cothrom leis an bhfuinneamh i ngutaí E (J) 6.241509⋅10 18 :
E (eV) = E (J) × 6.241509⋅10 18
| Fuinneamh (J) | Fuinneamh (eV) | 
|---|---|
| 1 J. | 6.241509⋅10 18 eV | 
| 2 J. | 1.248302⋅10 19 eV | 
| 3 J. | 1.872453⋅10 19 eV | 
| 4 J. | 2.496604⋅10 19 eV | 
| 5 J. | 3.120755⋅10 19 eV | 
| 6 J. | 3.744906⋅10 19 eV | 
| 7 J. | 4.369057⋅10 19 eV | 
| 8 J. | 4.993207⋅10 19 eV | 
| 9 J. | 5.617358⋅10 19 eV | 
| 10 J. | 6.241509⋅10 19 eV | 
| 20 J. | 1.248302⋅10 20 eV | 
| 30 J. | 1.872453⋅10 20 eV | 
| 40 J. | 2.496604⋅10 20 eV | 
| 50 J. | 3.120755⋅10 20 eV | 
| 60 J. | 3.744906⋅10 20 eV | 
| 70 J. | 4.369057⋅10 20 eV | 
| 80 J. | 4.993207⋅10 20 eV | 
| 90 J. | 5.617358⋅10 20 eV | 
| 100 J. | 6.241509⋅10 20 eV | 
| 200 J. | 1.248302⋅10 21 eV | 
| 300 J. | 1.872453⋅10 21 eV | 
| 400 J. | 2.496604⋅10 21 eV | 
| 500 J. | 3.120755⋅10 21 eV | 
| 600 J. | 3.744906⋅10 21 eV | 
| 700 J. | 4.369057⋅10 21 eV | 
| 800 J. | 4.993207⋅10 21 eV | 
| 900 J. | 5.617358⋅10 21 eV | 
| 1000 J. | 6.241509⋅10 21 eV | 
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