RLC, RL, RC & LC Circuits Impedance Calculator

getcalc.com's RLC Circuit Equivalent Resistance (Z_eq) Calculator is an online electrical engineering tool to calculate resultant resistivity for resistor (R), inductor (L) & capacitor (C) connected in series or parallel.

Definition & Formulas

Equivalent Impedance, often abbreviated as Z_eq in electrical engineering, is a measure of whole combined resistivity of RLC circuit resistor (R), inductor (L) & capacitor (C) connected in series or parallel. The measurement unit for impedance is Ohms (Ω).

Equivalent Impedance formula for RLC connected in series — Formulas to calculate impedance for RLC, RL, RC & LC (Resistor, Inductor & Capacitor) circuits connected in series

Equivalent Impedance formula for RLC connected in parallel — Formulas to calculate impedance for RLC, RL, RC & LC (Resistor, Inductor & Capacitor) circuits connected in series