Resonant Frequency Calculator

Enter inductance and capacitance with common units to calculate ideal LC resonance.

Inductance

Capacitance

—Ideal f₀ = 1/(2π√LC)

—Hz

—kHz

—Period

—Angular frequency

Educational / low-voltage electronics calculator. Real components have tolerances and non-ideal behavior. Do not use this page as a substitute for qualified design or safety guidance for mains/high-energy electrical systems.

How to use this Resonant Frequency Calculator

Calculate the ideal resonant frequency of an LC circuit. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.