Walk down the driveway from end to end with a measuring wheel to determine its length. The ratio of the rise 1. Straight Edge Level Tape Measure and a CalculatorMaximum Grade Percenta.
Slope Length is the square root of Rise squared plus Run squared Angle of Inclination is the tangent of Rise devided by Run Percentage is 100 multiplied by Rise devided by Run.
Walk down the driveway from end to end with a measuring wheel to determine its length. How to Measure the Slope of a Driveway Step 1. How to measure the slope of your driveway quickly and accurately. Place a stake in the ground at the highest point on the slope you wish to calculate.