Kirpich’s Time of Concentration Calculator
Calculate the time of concentration using Kirpich’s Equation:
\[
T_c = \frac{0.0078\, L^{0.77}}{S^{0.385}}
\]
* Enter the watercourse length \(L\) (ft) and the slope \(S\) (ft/ft).
Step 1: Enter Parameters
Example: 1000 ft
Example: 0.01 ft/ft
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