ADA Ramp Length Calculator
Elevation Height: The height from the ground up to the bottom of the door or existing walkway.
1:12 Slope: For every inch of height from the ground, you need 1 foot of ramp length.
Minimum number of resting platforms: A 5′ x 5′ (minimum) resting platform is needed every 30 feet of ramp.
+ 5′: A 5′ x 5′ (minimum) platform is needed at the top of the ramp if there is not an existing one already.
Total ramp system length in feet: Includes the minimum number of 5′ x 5′ resting platforms and the 5′ x 5′ platform at the top of the ramp.