ONE CUBIC YARD OF CONCRETE WILL PLACE :
 

Thick"

Dismal'

Sq. Ft.

1"

.083

324

1½"

.012

216

2"

.166

162

2½"

 .208

130

3"

.25

108
3½" .208

93

4"

.333

81
4½" .375

72

5"

.416

 65
5½"

.458

 59

6"

.5

54
6½" .541 50

Thick"

 Dismal'

Sq. Ft.

7"

 .583 46
7½" .625

43

8"

 .667

40.5
8½" .708

38

9"

 .75

36
9½" .708

34.5

10"

 .833

32
10½" .875 31

11"

 .916

29.5
12½" .958 28

12"

 1

27
12½" 1.042 26

TO FIND THE AREA IN SQUARE FEET & VOLUME IN CUBIC FEET
 

Area of a rectangle or square

Length x Width
  Area of a right triangle Length x With divided by 2
  Area of a circle Radius squared x 3.1416
  Volume Area x Height
CONCRETE
  A cubic foot = 1728 cubic inches.  A cubic foot  weights approx. 150 lb. 
  A cubic yard = 27 cubic feet. A cubic yard  weights approx. 4050 lb.
TO CALCULATE CONCRETE
  length in feet x width in feet x height in feet = cubic feet.    Then dived by 27 to get number of yards required

Note: to convert inches to a dismal divide the number of inches by 12 ( or use chart above )
MAIL US YOUR FAVORITE LINK