P
OCKET
R
EFERENCE
G
UIDE
— 36
Examples
Find the total volume of concrete needed
to pour five 24 inch by 12 inch footings,
each 2 feet deep. Then find the weight of
the concrete (use the default weight factor
of 1.5 tons per cubic yard).
KEYSTROKES
DISPLAY
1. Clear calculator:
o o
0.
2. Enter weight per cubic yard:
1 • 5 s %
1.5
Ton per CU YD
Step 1 — Find Volume for One Footing
3. Enter depth and multiply by length and
width:
2 f
2
FEET
x 2 4 i
24
INCH
x 1 2 i =
4
CU FEET
4. Convert to yards:
Ç y
0.148148
CU YD
Step 2 — Find Volume for All 5 Footings
5. Multiply by 5 footings:
x 5 =
0.740741
CU YD
Step 3 — Find the Weight of Concrete
6. Find wt in tons then kilogram:
Ç t
1.111111
Ton
k
1007.983
kG