basic

Series RLC Impedance at a Given Frequency Calculator

Z = √(R² + (X_L − X_C)²) at angular frequency ω = 2πf.

Compute the impedance, inductive reactance X_L = ωL, capacitive reactance X_C = 1 / (ωC), and the phase angle φ of a series RLC circuit driven at frequency f.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Ω
H
µF
Hz

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Z = √(R² + (X_L − X_C)²); tan φ = (X_L − X_C) / R.

In depth

Compute the impedance, inductive reactance X_L = ωL, capacitive reactance X_C = 1 / (ωC), and the phase angle φ of a series RLC circuit driven at frequency f.