Ramp Calculator | Free Construction Calculators

Calculate ADA compliant ramp dimensions including length, landings, and slope requirements.

About Ramp Requirements

ADA compliant ramps must meet specific slope and landing requirements to ensure accessibility. The standard maximum slope is 1:12 (8.33%), and landings are required every 30 feet of ramp run.

ADA Requirements

  • • Maximum slope: 1:12 (8.33%)
  • • Maximum rise per run: 30 inches
  • • Landing every 30 feet of run
  • • Minimum landing size: 5 feet x 5 feet
  • • Minimum width: 36 inches clear