Kerby Time Of Concentration Equations Formulas Calculator
Watershed Hydrology
Solving for time of concentration.

Inputs:
Conversions:
| flow length (L) | = | 0 | | = | 0 | foot |
| retardance roughness coefficient (n) | = | 0 | | = | 0 | |
| slope (s) | = | 0 | | = | 0 | |
Solution:
| time of concentration (tc) | = | HAS NOT BEEN CALCULATED | |
Other Units:
References - Books:
Martin Wanielista, Robert Kersten and Ron Eaglin. 1997. Hydrology Water Quantity and Quality Control. John Wiley & Sons. 2nd ed.