Owner manual

Concrete Columns
You’re going to pour five columns,
each of which has a diameter of 3 feet
4-1/2 inches and a height of 11 feet 6
inches. How many cubic yards of con-
crete will you need for all five columns?
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
1 — Find Surface Area of Column
Enter diameter 3 [Feet] 4 [Inch]
1 [/] 2 [Circ]
DIA 3- 4 1/2 FEET INCH
Find surface area [Circ] 8.946176 SQ FEET
2 — Find Volume
Multiply by [x] 11 [Feet]
height 6 [Inch] [=] 102.881
CU FEET
Convert to yards [Conv] [Yds] 3.810408 CU YD
Multiply by 5 columns to find total cubic yards
of concrete [x] 5 [=] 19.05204 CU YD
32 – Pocket Handyman
®
IV