# RC Time Constant Calculator

> Get an RC circuit's time constant, charge curve and cutoff frequency, find R for a target cutoff, or an LC circuit's resonant frequency.

- URL: https://prismkit.hippodev.app/en/calculators/rc-time-constant-calculator
- Category: Calculators
- Runs: client-side, no upload

This is an interactive tool — open https://prismkit.hippodev.app/en/calculators/rc-time-constant-calculator to use it.