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Concrete |
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ONE CUBIC YARD OF CONCRETE WILL PLACE : |
|
Thick" |
Decimal |
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" |
Decimal |
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 |
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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 )
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