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Heisenberg Uncertainty Principle Calculator

Compute the minimum momentum uncertainty Δp ≥ h/(4π·Δx) implied by Heisenberg's uncertainty principle for a given position uncertainty. The result is the lower bound on simultaneously measurable momentum spread.

Position Uncertainty (m)

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Quantum

Heisenberg Uncertainty Principle Calculator

Calculates the minimum uncertainty in momentum, velocity, or time given measured uncertainties in position or energy. Demonstrates the fundamental quantum limits on simultaneous measurement precision.

Position Uncertainty (Δx) (m)

Particle Mass (kg)

Calculation Type

Energy Uncertainty (for E-t calculation) (J)

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Key differences

	Heisenberg Uncertainty Principle Calculator	Heisenberg Uncertainty Principle Calculator
Category	Quantum	Quantum
Inputs required	1	4
Result	Minimum Momentum Uncertainty (kg⋅m/s)	Minimum Uncertainty (varies)
What it does	Compute the minimum momentum uncertainty Δp ≥ h/(4π·Δx) implied by Heisenberg's uncertainty principle for a given position uncertainty. The result is the lower bound on simultaneously measurable momentum spread.	Calculates the minimum uncertainty in momentum, velocity, or time given measured uncertainties in position or energy. Demonstrates the fundamental quantum limits on simultaneous measurement precision.