Size Chart

Sonotube® Round Concrete Forms Size Chart

Forms are available in lengths up to 60' with diameters ranging from 6" to 60"

Concrete Requirements (Expressed in cubic yards for columns of various heights)

Diameter
(in.)

Height of Column

 

3ft.

6ft.

8ft.

10ft.

12ft.

16ft.

20ft.

6

.022 .044 .058 .073 .088 .117 .146

8

.039 .077 .103 .129 .155 .206 .258

10

.061 .121 .162 .202 .242 .323 .404

12

.087 .176 .233 .291 .349 .466 .582

14

.119 .238 .317 .396 .475 .634 .792

16

.155 .310 .414 .517 .620 .827 1.034

18

.196 .392 .523 .654 .785 1.046 1.310

20

.242 .485 .646 .808 .970 1.293 1.616

22

.293 .587 .782 .978 1.173 1.565 1.956

24

.349 .698 .931 1.164 1.397 1.862 2.328

26

.410 .820 1.093 1.366 1.639 2.186 2.732

28

.475 .950 1.270 1.584 1.901 2.534 3.170

30

.545 1.091 1.454 1.818 2.182 2.909 3.636

32

.621 1.241 1.655 2.069 2.483 3.310 4.138

34

.701 1.401 1.868 2.335 2.802 3.736 4.670

36

.785 1.571 2.094 2.618 3.142 4.189 5.236

40

.970 1.939 2.586 3.232 3.878 5.171 6.464

42

1.069 2.138 2.850 3.563 4.276 5.701 7.126

48

1.396 2.792 3.723 4.654 5.585 7.446 9.308

54

1.767 3.534 4.712 5.890 7.069 9.424 11.780

60

2.181 4.363

5.817

7.272

8.727

11.634

14.544