All Tools
1049+ free tools

RC Time Constant Calculator

Calculate the RC time constant τ = R × C. A capacitor charges to 63% in one τ and ~99% in 5τ.

Inputs
Result
1.000000
τ (seconds)
5.000000
Full charge (5τ)

τ = R × C = 10000 × 0.0001 = 1.000000 s

Related science tools

Ohm's Law Calculator
Calculate voltage using V = I × R
Electrical Power
Calculate power using P = V × I
Force Calculator
Calculate force using F = m × a (Newton's second law)
Kinetic Energy
Calculate kinetic energy using KE = ½mv²