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⚛️ Quantum Energy Converter

Convert electron volts (eV), hartree, rydberg, wavenumber (cm⁻¹), and other quantum energy units. NIST CODATA 2018 values.

⚛ NIST CODATA 2018: Hartree = 4.3597447e-18 J; Rydberg = 2.1798723e-18 J; eV = 1.602176634e-19 J
=1 Joule (J)≡6.241509e+18 Electron Volt (eV)
Quick Conversions

About Quantum Energy Conversions

How do I convert quantum energy units?

Enter any value in the input field, select your source unit and target unit from the dropdowns, and Converzion.io calculates the result instantly. No button press required.

Which quantum energy units are supported?

Joule (J), Electron Volt (eV), Mega-eV (MeV), Giga-eV (GeV), Tera-eV (TeV), Hartree (Eₕ, a.u.), Rydberg (Ry), Wavenumber (cm⁻¹), kcal/mol, kJ/mol, Temperature × k_B (K), Erg (CGS).

Reference values

NIST CODATA 2018: Hartree = 4.3597447e-18 J; Rydberg = 2.1798723e-18 J; eV = 1.602176634e-19 J