Find the perfect ramp length for safe accessibility
Need help? Call us today – 1-800-494-3151
Enter your rise height (in inches) below to estimate recommended ramp lengths based on ADA and common incline ratios.
How to use: Measure the vertical rise (e.g., porch height in inches). Recommended lengths:
Example: 24" rise → ADA needs 288" (24 ft) ramp
| Degree Incline | Slope Ratio | Suggested Usage |
|---|---|---|
| 4.8° | 1:12 | Guidelines set by the Americans With Disabilities Act (ADA) – safest for independent use |
| 7° | 1:8 | Optimized for self-reliant wheelchair users and helpers |
| 10° | 1:6 | Great for manual wheelchairs with attendant support, or power chairs/scooters |
| 12° | 1:4 | Ideal for power wheelchairs/scooters or manual chairs with strong assistance |
| 15° | 1:3 | For loading/unloading unoccupied chairs in tight spaces only |
Every situation is unique – we'll help you choose the safest option for your needs.
Or call us now – we answer the phone ourselves!
1-800-494-3151