FAA Time of Concentration Calculator
Calculate the time of concentration using the FAA formula:
\[
T_c = \frac{L}{190\sqrt{S}}
\]
* 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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