Electronvolts to Joules Converter

Convert Atomic Energy from Electronvolts to Joules with Precision

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Electronvolts to Joules Calculator

Convert energy values from Electronvolts (eV) to Joules (J) with high precision.

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Atomic Energy Calculator

Calculate atomic transition energies and binding energies.

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Understanding Atomic Energy Units

The Electronvolt (eV)

Fundamental properties:

  • 1 eV = 1.602176634 × 10⁻¹⁹ J
  • Energy gained by e⁻ across 1V
  • Atomic energy scale unit
  • Used in particle physics
  • Quantum mechanics standard

Common Energy Scales

Typical values:

  • Visible light: 1.6-3.4 eV
  • Chemical bonds: 1-10 eV
  • X-rays: 100 eV - 100 keV
  • Nuclear reactions: MeV range
  • Particle colliders: TeV range

Applications

Used in:

  • Atomic physics
  • Nuclear physics
  • Particle physics
  • Spectroscopy
  • Semiconductor physics

Quantum Phenomena

Energy scales:

  • Ionization energies
  • Electron transitions
  • Binding energies
  • Band gaps
  • Particle masses

Essential Energy Conversion Formulas

Basic Conversions

1 eV = 1.602176634 × 10⁻¹⁹ J

1 J = 6.241509074 × 10¹⁸ eV

Atomic Transitions

E = -13.6 eV × (1/n₁² - 1/n₂²)

For hydrogen-like atoms

Mass-Energy

E = mc²

1 u = 931.494 MeV