Single Concrete Footing
Find the number of cubic yards of concrete re-
quired for a (16” x 8”) footing that measures 32
feet 7 inches in length.
COMMENTS KEYSTROKES
Clear calculator [On/C] [On/C]
Enter length 32 [Feet] 7 [Inch]
Multiply by width [x] 16 [Inch]
Multiply by depth [x] 8 [Inch] [=]
Answer: 28.96296 CU FT
Convert to yards [Conv] [Yds]
Answer: 1.072702 CU YDS
Multiple Footings
Find the total volume of concrete required to
pour five 24” x 12” footings, each 2 feet deep.
COMMENTS KEYSTROKES
Clear calculator [On/C] [On/C]
Step 1 — Find Volume for One Footing
Enter length 2 [Feet]
Multiply by width [x] 24 [Inch]
Multiply by depth [x] 12 [Inch] [=]
Answer: 4 CU FT
Convert to yards [Conv] [Yds]
Answer: .148148 CU YDS
Step 2 — Find for All 5 Footings
Multiply by 5 footings [x] 5 [=]
Answer: 0.740741 CU YDS
NOTE: To calculate the Cubic Volume of other
dimensioned geometric shapes, see Appendix B.
User’s Guide — 31
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