RL and RC Filter Calculator
Enter two known values:
Inductance (L)
Capacitance (C)
Resistance (R)
Cutoff Frequency (fc)
? = 0
? = 0
Formula List
fc = 1 ÷ (2π √ (L × C))
fc = R ÷ (2π × L)
fc = 1 ÷ (2π × R × C)
L = R ÷ (2π × fc)
C = 1 ÷ (2π × fc × R)
R = 2π × fc × L
R = 1 ÷ (2π × fc × C)