Length

Width

Thick

Volume (L)

5'5

18 ⅜ 

2 ¼ 

24.9L

5'6

18 ⅝ 

2 5/16

26.0L

5'7

18 ⅞ 

2 ⅜ 

27.5L

5'8

19 ⅛ 

2 7/16

29.0L

5'9

19 ⅜ 

2 ½ 

30.0L

5'10

19 ⅝ 

2 9/16

32.2L

6'0

20 ⅛  2 11/16 35.4L

6'4

21 ⅛  2 15/16 42.7L
6'6 21 5/8 3 45.8L