Pipe Shape Rectangular Circular Triangular Trapezoidal Other

Diameter Feet Inch Meter

Width Feet Inch Meter
Height Feet Inch Meter
Left Bank Slope % Percent Absolute ft per 1000 1 per X ft
Right Bank Slope % Percent Absolute ft per 1000 1 per X ft


Hyd Gradient % Percent Absolute ft per 1000 1 per X ft

Manning's n
Equivalent Diameter Feet Inch Meter

Calculation Steps