ELEKTRONVOLT, vohidi gayri-sistemavii energiyaro nomand, ki barobari digar vohidhoi Sistemai baynalkhalqii vohidhoi (SI) baroi chen kardani energiya va massai mikrozarraho istifoda meshavad. Ishoratash: tojiki, rusiash eV, baynalkhalqiash eV, 1 eV=1,60219* 10“,v J= = 1,60219-10—,a erg. Vohidhoi karatii E.: 1 keV = 10s eV, 1 MeV ■ 10* eV, 1 GeV = 10 eV. 1 vohidi atomii massa = 931,5 MeV.