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CONCRETE FOOTINGS
Example: Calculate the number of cubic yards of concreate that are reqired for a 18 Inch by 9 Inch
footing that measures 260 Feet in Length.
KEY INPUT & DISPLAY
0
*F-AR 105.
SQ Inch
1. Calculate the footing area.
FTG 6.224923
CU YD
2.Enter length and nd footing volume:
ALL CLEArEd
*The default value for footing area is 264 Sq. Inches. Performing a “Clear All” will restore the default.
STORED
SQUARING-UP A FOUNDATION
Example: A concrete foundation measures 50 Feet by 37 Feet 6 Inches .You want to make sure that it
is qeometrically sound and need to know what the measurment of the diagonal (or square-up) of the
foundation should be as an indicator of a perfectly square corner.
0
1. Enter the length and width dimensions of the foundation:
LNTH 50
Feet
0
Inch
SQUP 62
Feet
6
Inch
2. Calculate the square-up:
WDTH 37
Feet
6
Inch
On/C On/C
Feet
7
5
0
Feet Inch
Length
Width
WidthWidth
3
6
On/C On/C
Inch
Stor
6
×
1
=
Inch
(Ftg Area)
Conv
×
Width
Feet
Conv
62 0
(Footing)
8
9
37’ 6”
50’
Square-Up (Diagonal)
90°
Perfect
Square