POCKET REFERENCE GUIDE — 30
BLOCKS AND BRICKS
Calculating Number of Blocks
You are building an “L” shaped retaining
wall out of standard 8 Inch x 16 Inch
blocks. One side of the retaining wall is
22 Feet long, and the other side is 15 Feet
8 Inches long. The wall is to be 4 Feet
high. How many blocks are required to
build this wall?
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter block size:
8 i x 1 6 i =
T B B-AR 128. SQ INCH
3. Add both wall Lengths:
2 2 f + 1 5 f 8 i =
37 FEET 8 INCH
4. Multiply Length times Height:
x 4 f = 150.6667 SQ FEET
5. Find number of blocks and add 5%
waste:
B BLKS 169.5
(170 Blocks)
+ 5 % 177.975
(178 Blocks)
STORED
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