How to Calculate Form Factor?
Form Factor calculator uses Form factor=Watershed Area/Watershed Length^2 to calculate the Form factor, The Form Factor formula is defined as the ratio of basin area to square of the basin length. The value of form factor would always be less than 0.754 (for a perfectly circular watershed). Form factor and is denoted by C_{f} symbol.
How to calculate Form Factor using this online calculator? To use this online calculator for Form Factor, enter Watershed Area (A) and Watershed Length (L) and hit the calculate button. Here is how the Form Factor calculation can be explained with given input values -> 0.008 = 20/50^2.