EngineeringToolkit

Heisenberg Uncertainty Principle Formula

The fundamental limit to the precision with which position and momentum can be known simultaneously.

Formula

ΔxΔp ≥ ℏ/2

Discipline: Quantum Physics. Result unit: J·s.

Variables and units

  • Δx — Position Uncertainty (m): Uncertainty in position
  • Δp — Momentum Uncertainty (kg·m/s): Uncertainty in momentum
  • — Reduced Planck's Constant (J·s): Reduced Planck's constant (h/2π)