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Hall Coefficient Calculator
Calculate the Hall coefficient of a material from a Hall-effect measurement, and estimate its charge carrier density.
mV
A
T
mm
What This Calculates
The Hall effect produces a small transverse voltage in a current-carrying conductor placed in a magnetic field. Measuring it reveals the Hall coefficient, which relates directly to the material’s charge carrier density and sign.
The Formula
Rh = (Vh × t) / (I × B), where Vh is the Hall voltage, t is the sample thickness, I is the current, and B is the magnetic field strength. Carrier density is then n = 1 / (Rh × e), where e is the elementary charge.
For general educational purposes in solid-state physics.
Last reviewed August 2026