Quantum Measurement Calculator

Calculate quantum measurement probabilities, expectation values, variance, and wave function collapse.

State 1 Amplitude

State 2 Amplitude

Measurement Basis

Outcome 1 Probability

50%

Outcome 2 Probability

50%

Expectation Value

Variance1

Standard Deviation1

Measurement Fidelity0.5

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Formula

P(outcome) = |⟨outcome|ψ⟩|²

Calculate quantum probability amplitudes, Born rule probabilities, phase angles, and normalization.

Calculate quantum wave function properties including probability density, momentum, energy, and phase/group velocities.

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