LC Resonance Calculator

Enter inductance and capacitance to find the resonant frequency, characteristic impedance, Q factor, and bandwidth.

Inductance L (µH)

Capacitance C (pF)

Series Resistance R (ohms) — for Q factor

Resonant Frequency

0

Hz

Characteristic Impedance

—

Q Factor

—

Bandwidth

—

Angular Frequency ω₀

—

Step-by-Step

LC Resonance Formulas

f₀ = 1 / (2π√(LC))

Z₀ = √(L/C) (characteristic impedance)

Q = (1/R)√(L/C) = Z₀/R

BW = f₀ / Q

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