Use the dimensions chart below to help you make the right choice for your client.
Important: Make sure that seat width, depth, and height are adequate for each user.
The user’s overall height and knee to heel measurement are a general guide to help you select the appropriate chair. Choose the model that allows for growth.
Size 1 Compass Chair
User’s overall height Knee to heel:36 – 439 – 11
36 – 439 – 11
Frame width
13¾
Frame depth (front to back)
Seat height
9 / 10 / 11
Seat depth
9½
Seat width
10½
Back height
Armrest height above seat
5½
Armrest length
6½
Pelvic harness thigh circumference
10½ – 23½
Maximum working load (lb)
100
Size 2 Compass Chair
User’s overall height Knee to heel:43 – 4810½ – 12½
43 – 4810½ – 12½
16
15½
10½ / 11½ / 12½
11
12¼
6
7½
12 – 28½
120
Size 3 Compass Chair
User’s overall height Knee to heel:48 – 5512½ – 14½
48 – 5512½ – 14½
18½
17¼
12½ / 13½ / 14½
12¾
14
12½
7
8½
14½ – 30½
175
Size 4 Compass Chair
User’s overall height Knee to heel:55 – 6314½ – 16½
55 – 6314½ – 16½
21¼
20¼
14½ / 15½ / 16½
14¾
16¼
14¼
8¼
9¾
15 – 34½
220
Size 5 Compass Chair
User’s overall height Knee to heel:63+16½ – 18½
63+16½ – 18½
23¾
22½
16½ / 17½ / 18½
16½
18¼
8¾
17½ – 38½
250
User’s overall height Knee to heel