Use our free RC Cutoff Frequency Calculator to quickly determine the -3dB point or half-power frequency of your resistor-capacitor circuits. Ideal for designing filters, understanding frequency response, and various electrical engineering applications. Get accurate results for RC networks instantly!
Formula:
The cutoff frequency (fc) for an RC circuit is determined by its resistance (R) and capacitance (C) values. The formula is:
fc = 1 / (2 * ฯ * R * C)
- fc: Cutoff Frequency (Hertz)
- R: Resistance (Ohms)
- C: Capacitance (Farads)
- ฯ: Mathematical constant pi (approximately 3.14159)