Heisenberg Uncertainty Principle Calculator | Position & Velocity

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Calculate the minimum uncertainty in position, velocity, or momentum of a particle. Interactive examples include electrons, dust particles, and baseballs!

Heisenberg Uncertainty Calculator

Particle Properties
Minimum Uncertainties (Δ)

Check our examples:

  • Example 1 – Electron confined to an atom (Δx = 1 Å)
  • Example 2 – Dust particle (Δx = 1 µm)
  • Example 3 – A baseball (m = 0.145 kg)
Note: This calculator computes the minimum theoretical uncertainty using the equation Δx · Δp = h / 4π. Use scientific notation (e.g., 1e-31) for very small numbers.
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