Quantum Harmonic Oscillator Calculator

Energy levels, zero-point energy, level spacing and classical turning points of a quantum harmonic oscillator.

Results

Angular frequency ω—
Frequency—
Energy Eₙ—
Zero-point energy—
Level spacing ħω—
Transition wavelength—
Classical turning point—

How to use the Quantum Harmonic Oscillator Calculator

  1. Enter or select: Particle, Spring constant k, Quantum number n.
  2. Fill in what you know of: Custom mass — leave the unknown empty.
  3. The results (Angular frequency ω, Frequency, Energy Eₙ, Zero-point energy, Level spacing ħω, Transition wavelength, Classical turning point) are calculated instantly as you type.
  4. Use “Copy link” to share the calculation with the same input values.

Formula

  • Eₙ = ħω(n + ½)
  • ω = √(k/m)
  • x_turn = √((2n+1)ħ/(mω))
ExpressionApply operationsCalculated result