Wheelchair Ramp Slope Calculator
Calculate ramp length, slope %, and angle based on rise and slope ratio.
Rise (inches)
Please enter a positive number.
Slope Ratio
1:12 (ADA max for commercial)
1:8 (max for residential)
1:10 (gentle)
1:6 (steep)
Calculate
Results:
Ramp Length
-
Slope %
-
Angle (°)
-
Formula Used: