Easily determine the slope of your driveway with our Driveway Slope Calculator. Simply input the rise (vertical height) and run (horizontal length), and instantly get the slope as a percentage, ratio, or angle.
Understanding Driveway Slope
The slope of a driveway is crucial for its usability and safety. A slope that’s too steep may cause water drainage issues or be difficult for vehicles to navigate. To calculate the slope, you need two key values: the rise (vertical height of the driveway) and the run (horizontal length). Our Driveway Slope Calculator makes this calculation quick and easy.
Why Is Slope Important?
- Safety: A slope that is too steep can be dangerous for vehicles and pedestrians.
- Drainage: Proper slope ensures water runs off and doesn’t pool on the driveway.
- Building Code Compliance: Many areas have regulations for maximum allowable slopes.
How to Use the Calculator
- Input the Rise: Measure the vertical height of the driveway.
- Input the Run: Measure the horizontal length of the driveway.
- Get Results: The calculator instantly displays the slope in percentage, ratio, and angle.
Formulas to Calculate Your Driveway Slope
Slope as a Percentage
The slope percentage is calculated by dividing the rise by the run and multiplying by 100:
Slope (%)=(RunRise)×100
Example Calculation:
For a rise of 2 feet and a run of 10 feet:
Slope (%)=(102)×100
Slope (%)=20 %
Slope as a Ratio
The slope ratio expresses the relationship between rise and run as Rise:Run
Slope (Ratio)=Rise:Run
Example Calculation:
For a rise of 2 feet and a run of 10 feet:
Slope (Ratio)=2:10 or simplified to 1:5
Slope as an Angle
To express the slope as an angle in degrees, use the arctangent function:
Slope (Angle)=arctan(RunRise)
Example Calculation:
For a rise of 2 feet and a run of 10 feet:
Slope (Angle)=arctan(102)
Slope (Angle)=arctan(0.2)
Slope (Angle)=11.31∘
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