RC Time Constant
Calculate RC circuit time constant (τ = R × C).
Time Constant (τ)1000.000 ms
1τ = 1000.000 ms63.2% charged
2τ = 2.000 s86.5% charged
3τ = 3.000 s95.0% charged
4τ = 4.000 s98.2% charged
5τ = 5.000 s99.3% charged
Calculate RC circuit time constant (τ = R × C).