RC Circuit Time Constant Calculator

Calculate time constant, voltage, and current characteristics of RC circuits.
Back to Home

Inputs

RC Circuit Basics:
Time constant τ = R × C (in seconds)
At t = Ï„: ~63.2% of final value
At t = 5Ï„: ~99.3% of final value
Time from start of charging

Results

Enter RC circuit parameters to calculate time response.

Other Tools