RC Low Pass Filter

This formula calculates the cutoff frequency of an RC low pass filter, which determines the frequency at which the output signal begins to attenuate.

RC Low Pass Filter
\(f_c = \frac{1}{2 * 3.14159* R C}\)

Instructions: Select the variable you want to solve for, and fill in the others.

Solve Symbol Input Value Unit Description
\(R\)
\(\Omega\)
\(C\)
\(F\)
\(f_{c}\)
\(Hz\)

References