LC resonance
f0 = 1 / (2 pi sqrt(L C))
Electrical calculator
Resonant Frequency Calculator
Find LC circuit resonance using f = 1 / (2π√LC).
Calculator
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Results update automatically as you type.
Result
About this calculator
How it works
LC resonance occurs when inductive and capacitive reactance are equal in magnitude, producing a natural oscillation frequency.
Formulas
Formulas used
Guide
How to use this calculator
- Choose the mode or component type if the calculator provides one.
- Enter known values and select the units beside each input.
- Read the highlighted result first, then use the table for supporting calculated values.
Reference
What the results mean
Resonant frequency
The natural frequency where inductive and capacitive reactance are equal.
FAQ
Resonant Frequency Calculator questions
Can I use different units?
Yes. Select the unit beside each input. The calculator converts values internally before solving.
Are the results suitable for final design?
Use results for education, screening, and early design checks. Verify final work against standards, datasheets, and project requirements.
Why does the result update automatically?
The calculator listens for input changes and recalculates as soon as enough valid values are available.
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