Incline Calculator

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Optimally designed for commercial and residential modular ramping, as well as residential portable ramping.

Finding the ramp that best fits your needs is just one part of improving access for your home or business. The next step is using the EZ-ACCESS Incline Calculator to make sure you’ve selected a ramp that will fit the incline requirements at your location.

Calculate Your Incline Conversion Chart
= Change measurement units / ratio

Rise in
CM / IN / FT / M
Ratio ratio
1:6 / 1:8 / 1:10 (IRC) / 1:12 (ADA)
Slope deg
Grade %
Run Length ft
CM / IN / FT / M

EZ Conversion Table

Fraction

Decimal

Millimeter

1/64"	0.0156	0.3969
1/32"	0.0313	0.7938
3/64"	0.0469	1.1906
1/16"	0.0625	1.5875
5/64"	0.0781	1.9844
3/32"	0.0938	2.3813
7/64"	0.1094	2.7781

1/8"

0.1250

3.1750

9/64"	0.1406	3.5719
5/32"	0.1563	3.9688
11/64"	0.1719	4.3656
3/16"	0.1875	4.7625
13/64"	0.2031	5.1594
7/32"	0.2188	5.5563
15/64"	0.2344	5.9531

1/4"

0.2500

6.350

17/64"	0.2656	6.7469
9/32"	0.2813	7.1438
19/64"	0.2969	7.5406
5/16"	0.3125	7.9375
21/64"	0.3281	8.3344
11/32"	0.3438	8.7313
23/64"	0.3594	9.1281

3/8"

0.3750

9.5250

25/64"	0.3906	9.9219
13/32"	0.4063	10.3188
27/64"	0.4219	10.7156
7/16"	0.4375	11.1125
29/64"	0.4531	11.5094
15/32"	0.4688	11.9063
31/64"	0.4844	12.3031

1/2"

0.5000

12.7000

33/64"	0.5156	13.0969
17/32"	0.5313	13.4938
35/64"	0.5469	13.8906
9/16"	0.5625	14.2875
37/64"	0.5781	14.6844
19/32"	0.5938	15.0813
39/64"	0.6094	15.4781

5/8"

0.6250

15.8750

41/64"	0.6406	16.2719
21/32"	0.6563	16.6688
43/64"	0.6719	17.0656
11/16"	0.6875	17.4625
45/64"	0.7031	17.8594
23/32"	0.7188	18.2563
47/64"	0.7344	18.6531

3/4"

0.7500

19.0500

49/64"	0.7656	19.4469
25/32"	0.7813	19.8438
51/64"	0.7969	20.2406
13/16"	0.8125	20.6375
53/64"	0.8281	21.0344
27/32"	0.8438	21.4313
55/64"	0.8594	21.8281

7/8"

0.8750

22.2250

57/64"	0.8906	22.6219
29/32"	0.9063	23.0188
59/64"	0.9219	23.4156
15/16"	0.9375	23.8125
61/64"	0.9531	24.2094
31/32"	0.9688	24.6063
63/64"	0.9844	25.0031

1.0000

25.4000

To Establish the Proper Ramp Length:

Select the incline you desire. Refer to your equipment’s user guide or individuals capabilities. We start you off with the ADA Standard Ratio of 1:12, but we recommend you confirm with your local/city code.
Measure the distance from the top step/landing to the ground (RISE).
Enter the values in the form to determine your run and ramp length

CAUTION! At any incline, use ramp only with a qualified helper.
CAUTION! Refer to your equipment’s user guide for exact recommendations concerning acceptable usage and allowable slope.
Notice: If rise is greater than 30” a platform is required.

Take the incline calculator anywhere with the EZ-Access incline chart

View the chart

PSST! The Incline Calculator is now available in the App Store!

Check it out.

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