1. What is Wheelchair Ramp Slope?

Wheelchair ramp slope refers to the steepness of a ramp, calculated as the ratio of vertical rise to horizontal run. In the UK, maximum slopes are regulated to ensure accessibility and safety for wheelchair users and people with mobility impairments.

2. How Does the Calculator Work?

The calculator uses the basic slope formula:

Where:

• \( Rise \) — Vertical height difference (mm)
• \( Run \) — Horizontal length of the ramp (mm)

Explanation: The slope is expressed as a ratio (e.g., 1:20) meaning for every 20 units of horizontal run, there is 1 unit of vertical rise.

3. UK Ramp Slope Regulations

Details: According to UK building regulations (Approved Document M), the maximum slope for wheelchair ramps is 1:20 for long ramps. For shorter ramps (less than 2 meters), a maximum slope of 1:12 is permitted.

4. Using the Calculator

Tips: Enter the vertical rise and horizontal run in millimeters. The calculator will determine the slope ratio, percentage, and check compliance with UK regulations.

5. Frequently Asked Questions (FAQ)

Q1: What is the maximum slope allowed for wheelchair ramps in the UK?
A: For ramps longer than 2 meters, maximum slope is 1:20. For ramps shorter than 2 meters, maximum slope is 1:12.

Q2: Why is there a maximum slope requirement?
A: Steeper slopes require more effort to ascend and can be dangerous when descending. Gentle slopes ensure safety and accessibility for all users.

Q3: Are there requirements for ramp landings?
A: Yes, ramps longer than 10 meters require intermediate landings every 10 meters. Landings should be at least 1200mm long and clear of obstacles.

Q4: What about handrails and edge protection?
A: Ramps steeper than 1:20 require handrails on both sides. Edge protection is required for ramps more than 600mm above ground level.

Q5: Are there different requirements for private vs public buildings?
A: While basic principles are similar, public buildings often have stricter accessibility requirements under the Equality Act 2010.