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Calcimator

Accessible Route Evaluator

Evaluate an accessible route for ADA compliance across slope, width, and surface requirements.

Inputs

Results

Overall Score (%)

100

Slope Compliance (0-1)1
Width Compliance (0-1)1
Surface Compliance (0-1)1
How to Use This Calculator
  1. Enter the Route Length (ft) — the total length of the accessible path between accessible entrances and elements.
  2. Set Max Slope (%) to the steepest running slope along the route; ADA allows a maximum of 5% for accessible routes.
  3. Enter Minimum Width (inches) at the narrowest point — ADA requires 36 inches minimum, 44 inches preferred.
  4. Set Surface Type: 1=Concrete, 2=Asphalt (both compliant), or 3=Gravel (non-compliant).
  5. Review the Overall Score (%) — 100% means all three criteria pass; any failed criterion drops the score significantly.
  6. Use individual compliance scores (Slope, Width, Surface) to identify which element needs remediation.
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