Find the right ramp for your specific situation — front door step, threshold, porch or doorway — with a practical MIOR indication, 1:12 slope reference and WEXAR for free digital measurement.
“Not every threshold needs the same ramp. Measure first — then choose.”

You have one step at your front door, side entry or porch — typically 16–18 cm (approx. 6–7 inches) high. You need a portable ramp shown as a practical indication for a manual wheelchair with assistance; other mobility aids require a situation-specific check. Without fixed installation in many temporary situations; always check rental, shared-space or local requirements where relevant.
Practical MIOR Indication
Indication
1.2 m (approx. 4 ft)
Step height
16–18 cm (approx. 6–7 in)
1:12 comparison: 1.92–2.16 m
Use case: manual wheelchair with assistance — single step entry

You have two steps at a front porch, side entry or raised threshold — typically 24–36 cm (10–14 inches) combined. You need a portable solution that can handle a wheelchair, scooter or walker, without permanent construction or major expense.
Practical MIOR Indication
Indication
1.8 m (approx. 6 ft)
Step height
30–36 cm (approx. 12–14 in)
1:12 comparison: 3.60–4.32 m
Use case: manual wheelchair with assistance — two-step entry

You have a raised threshold at an interior or exterior doorway — typically 3–8 cm (1–3 inches). A full ramp is too large. You need a compact, portable threshold ramp that bridges the gap for a wheelchair, walker or mobility scooter.
Practical MIOR Indication
Indication
1.0 m (approx. 50 cm up + 50 cm down)
Step height
5 cm (approx. 2 in)
1:12 comparison: 0.60 m per side
Use case: manual wheelchair with assistance — compact double-sided threshold transition
Use the MIOR calculator to instantly find the right ramp length for your step height — or use WEXAR to measure your situation for free with your smartphone.