RC Filter Cutoff Frequency Calculator
This RC filter calculator computes the cutoff frequency of a single pole with a 6 dB roll-off. Applies to both low-pass and high-pass filters.
Input parameters
Ω
μF
=
About the formula
f = 1 / (2π × R × C)
Where: R is the resistance (Ω), C is the capacitance (μF), and f is the cutoff frequency (Hz)