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Wheelchair Ramp Calculator

*Vertical Rise (in inches):
(Vertical height of the loading surface to the ground)
Ramp Length For Business, or User is Unassisted
Recommended Length (1:12 slope, results in feet): Feet
Ramp Length For Residential, or User is Assisted
Occupied Ramp Length (2:12 slope, results in feet):
(Wheelchair/scooter user is sitting in seat, with a capable assistant pushing)
Unoccupied Ramp Length (3:12 slope, results in feet):
(Wheelchair/scooter user is NOT sitting in seat, loading an empty chair into a vehicle)

To Establish the Proper Ramp Length:


1. Select the incline you desire. Refer to your equipment’s user guide or individuals capabilities. We start you off with the ADA Standard Ratio of 1:12, but we recommend you confirm with your local/city code.
2. Measure the distance from the top step/landing to the ground (RISE).
3. Enter the values in the form to determine your run and ramp length