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Slope chart
To determine the ramp best suited for your wheelchair or scooter - find the maximum incline your wheelchair or scooter is designed to climb. The maximum incline should be stated in you user manual from the manufacturer.
Measure the rise from the top, where the ramp is going to be positioned to the ground.
Using the measurements, find the proper length of the ramp by using the chart below.
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3' |
4' |
5' |
6' |
7' |
8' |
10' |
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36" |
48" |
60" |
72" |
84" |
96" |
120" |
| 3" |
4,8 |
3,6 |
2,9 |
2,4 |
2,0 |
1,8 |
1,4 |
| 4" |
6,4 |
4,8 |
3,8 |
3,2 |
2,7 |
2,4 |
1,9 |
| 5" |
8,0 |
6,0 |
4,8 |
4,0 |
3,7 |
3,0 |
2,4 |
| 6" |
9,6 |
7,2 |
5,7 |
4,8 |
4,1 |
3,6 |
2,9 |
| 7" |
11,2" |
8,4 |
6,7 |
5,6 |
4,8 |
4,2 |
3,3 |
| 8" |
12,8 |
9,6 |
7,7 |
6,4 |
5,5 |
4,8 |
3,8 |
| 9" |
14,5 |
10,8 |
8,6 |
7,2 |
6,2 |
5,4 |
4,3 |
| 10" |
16,1 |
12,0 |
9,6 |
8,0 |
6,8 |
6,0 |
4,8 |
| 12" |
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14,5 |
11,5 |
9,6 |
8,2 |
7,2 |
5,7 |
| 14" |
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17,0 |
13,5 |
11,2 |
9,6 |
8,4 |
6,7 |
| 16" |
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15,5 |
12,8 |
11,0 |
9,6 |
7,7 |
| 18" |
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14,5 |
12,4 |
10,8 |
8,6 |
| 20" |
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16,1 |
13,8 |
12,0 |
9,6 |
| 22" |
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15,2 |
13,2 |
10,6 |
| 24" |
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16,6 |
14,5 |
11,5 |
| 26" |
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15,7 |
12,5 |
| 28" |
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17,0 |
13,5 |
| 30" |
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14,5 |
| 32" |
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15,5 |
| 34" |
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16,5 |
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= Compliance with the ADA |
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