de Broglie Wavelength Calculator
Compute λ = h/p = h/(mv) for a particle.
Input Data
Mass Kg
kg
Velocity Ms
m/s
Results
0.0000000007m
0.72738951nm
At a glance:λ = h/p = h/(mv). Complements momentum and photon-energy.
Formula
λ = h / (m·v).
$$\lambda = \frac{h}{p} = \frac{h}{mv}$$How to Use
- Enter mass and velocity.
- The tool returns the wavelength.
Case Studies
m=9.11e-31, v=1e6
λ ≈ 0.727 nm.
FAQ
Electron 1 eV?
λ ≈ 1.23 nm.
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References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.