RC Time Constant Calculator
Find the time constant and voltage response of a resistor-capacitor circuit.
CALCULATE
--
Formulas
τ = R × CTime constant in seconds
V(t) = V0 × (1 - e-t/τ)Charging voltage at time t
RC Time Constant
After 1τ: 63.2% charged. 2τ: 86.5%. 3τ: 95.0%. 5τ: 99.3% (full). Used in filters, timing circuits, debouncing, and power supply smoothing.
Ad (728x90)