Ramp Slope ADA Calculator
Estimate ramp length from vertical rise.
Calculate ramp slope ada calculator from clear inputs
Ramp Slope ADA Calculator gives a focused worksheet for home & diy questions where a quick deterministic estimate is more useful than a spreadsheet. The ramp slope ada calculator fields mirror the variables in its formula, and the output separates the main result from supporting values so you can sanity-check this calculation before reusing it.
A 24 inch rise at 1 to 12 needs 288 inches, or 24 feet, of ramp run.
Keep the estimate private in your browser
For Ramp Slope ADA Calculator, every calculation runs in your browser with no upload, account, cookie, live lookup, or server-side storage. The ramp slope ada calculator result is best treated as a planning number because the real-world constraints behind this estimate can change the answer. Adjust the ramp slope ada calculator assumptions and confirm important decisions against the relevant source of truth for that exact situation.
Frequently Asked Questions
How long must a ramp be?
Rise × the slope ratio. A 24 inch rise at 1:12 needs 288 inches, or 24 feet, of run.
What does the "meets 1 to 12" line mean?
It shows 1 when your ratio is 12 or more (1:12 or gentler), which matches the ADA maximum slope for most ramps, and 0 when it is steeper.
Are there other ADA ramp rules?
Yes. A single ramp run can rise at most 30 inches before a landing, landings must be at least 60 inches long, and runs rising more than 6 inches need handrails. Check local codes before building.
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