Use this electronics calculation for a first-pass component, converter, signal, motor, or sensor estimate when the stated operating conditions and units match the device data.

Current (A)

Required number input.

Flux density (T)

Required number input.

Carrier density (m⁻³)

Required number input.

Thickness (m)

Required number input.

Compute Hall voltage as (I x B) / (n x e x t) with e the elementary charge. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Hall voltage (V)

The resulting hall voltage returned as a number.

• Hall voltage and switch thresholds depend on bias current, material, geometry, field orientation, temperature, hysteresis, offset, and magnetic circuit. Use guaranteed operate and release limits for switching designs.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check the result against the current datasheet and worst-case operating corners, then verify the circuit or measurement with simulation and bench testing where failure matters.

• Battery Life Calculator

  Estimate battery runtime from rated charge capacity and constant load current: hours = mAh / mA. Real-world derating (Peukert effect, temperature, cutoff voltage) is not modeled.

• Capacitor Energy Calculator

  Compute the energy stored in a charged capacitor, E = 0.5 * C * V^2; doubling the charge voltage quadruples the stored energy.

• Fuel Gauge SOC From Voltage

  Estimate fuel-gauge state of charge by linear interpolation between user-supplied empty and full open-circuit voltages; chemistry, load, and temperature can make this inaccurate.