Slope Calculator
Calculate slope percent, angle, and rise-run ratio.
Slope percent
8.33%
Angle
4.76 deg
Drop per foot
1 in/ft
Rise:run ratio
1:12
Formula
Slope = rise / run. Angle = arctan(slope).
The slope calculator converts rise and run into percent grade, degrees, and a simple ratio.
How to Use
The slope calculator converts rise and run into percent grade, degrees, and a simple ratio. Enter the Rise and Run values and review the Slope percent, Angle, Rise:run ratio, and Drop per foot outputs after you calculate.
- Open the calculator : Start with Slope Calculator.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the Slope Calculator use?
Slope = rise / run. Angle = arctan(slope).