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BLOCKS REQUIRED (LENGTH AND HEIGHT)
Example: A project requires you to build a retainer wall along a street corner, using standard size
blocks of 8 Inch x 16 Inch size. (Default block size assumes block area size of 128 Square Inches).
The long side of the retaining wall is 24 Feet, and the shorter side is 10 Feet 6 Inches. The client
wants the wall to be built 5 Feet high. In order to build the wall, how many blocks do you need,
including extra material, assuming a 2% allowance for waste?
KEY INPUT & DISPLAY
1. When working with multiple wall legnths, you must first calculator the total lenght:
On/C
On/C
4
(Blk Size)
Rcl
Conv
+
2
4
Feet
Length
2. Then enter the height of the wall:
5
Feet
Height
3.Calculate the number of blocks required:
Conv
On/C
Length
4. Add 2% for waste allowance:
+
1
0
%
BLOCKS REQUIRED (AREA)
Example: You are building a wall that measures 10 Feet tall and 25 Feet long, giving a surface area of
250 Square Feet. Assuming you are using standard size bricks, and factoring in a waste allowance of
2% for extra materials, determine how many bricks you need for this project.
KEY INPUT & DISPLAY
On/C
On/C
2
5
0
Feet
Conv
Length
+
2
%
This calculator can find the number of blocks based required for a single layer based on the entered length or
perimeter and the stored block length size. (16 Inches by default)
See Next Page for Examples of Length and Perimeter Calculations
If the stored block length is not 16 Inches, then enter the following (use same method to store custom length):
1
6
Inch
Stor
1
0
6
Feet
Inch
(Blocks)
Feet
4
(Blk Size)
=
Page 10
B--AR
128.
STORED
SQ Inch
34
6
Feet
Inch
LNTH 34
6
Feet
Inch
HGTH 5
0
Feet
Inch
BLKS 194.0625
(195 Blocks)
197.94375
(198 Blocks)
250
SQ Feet
BLKS 281.25
286.875
(287 Bricks)
B-LN
16
STORED
Inch
0
0
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