Electron Speed Calculator

Calculate electron speed from kinetic energy or voltage. Determine electron velocity in electric fields.

Input Parameters

Results

Enter values and click Calculate

About Electron Speed Calculator

Electron speed from kinetic energy is v = √(2E/m_e), where E is energy and m_e is electron mass (9.109×10⁻³¹ kg). For voltage, E = eV where e is electron charge.