Be careful - a 100 slope is not an equivalent to 90 degrees but to 45 degrees. For women multiply it by 424. S Ri R 100 Where S is the percent slope Ri is the rise.
To get the percent of a slope simply enter the Rise height of the hill and the Run width of the hill below and press Calculate Slope.
Square root width x width height x height Slope length. The formula becomes increasingly useful as the coordinates take on larger values or decimal values. To find the slope you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points. DRAIN PIPE SLOPE CALCULATOR.