📈 RC Time Constant Calculator

Calculate the time constant (τ = RC) for charge/discharge circuits.

Inputs

ResistancekΩ

CapacitanceµF

Time Constant (τ)

1000.00 ms

63.2% Charge (1τ)

1000.00 ms

86.5% Charge (2τ)

2.000 s

95.0% Charge (3τ)

3.000 s

99.3% Charge (5τ)

5.000 s