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Ramp Compliance Calculator
Enter any two values to calculate the third. Compliance checked against AS 1428.1 / NCC ramp types.
Ramp Type Compliance
Enter values and press Calculate to see compliance results.
Landing Size Reference
Minimum landing dimensions vary with the direction of travel.
| Direction of travel | Min width | Min length | Typical use |
|---|---|---|---|
| Direction of travel | 1,000 mm | 1,200 mm | Intermediate, top & bottom landings |
| 90° turn | 1,500 mm | 1,500 mm | Change of direction at right angle |
| 180° turn (switchback) | 1,540 mm | 2,070 mm | Full switchback / return ramp — 2070 mm is in the direction of travel |
| T-junction (90° both sides) | 2,000 mm | 1,500 mm | Access branching to both sides at 90° |
⚠ Disclaimer: Always cross-check with AS 1428.1 and NCC. Do not rely solely on this tool for compliance — use it as a general guide only.