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Calculated Industries 8515 User Manual

Material examples dimension examples, Key definitions finding cost of materials

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Linear Conversions

Convert 16 feet to other dimensions:

Keystroke

Display

[On/C] [On/C]

0.

16 [Feet]

16

FEET

[Conv] [Yds]

5.333333

YD

[Conv] [Feet]

16

FEET

0

INCH

[Conv] [Inch]

192

INCH

[Conv] [Met]

4.8768

M

Square and Cubic Conversions

Convert 25 square feet to other square dimensions:

Keystroke

Display

[On/C] [On/C]

0.

25 [Feet] [Feet]*

25.

SQ FEET

[Conv] [Yds]

2.777778

SQ YD

[Conv] [Met]

2.322576

SQ M

Convert 25 cubic feet to cubic yards.

Keystroke

Display

[On/C] [On/C]

0.

25 [Feet] [Feet] [Feet]*

25.

CU FEET

[Conv] [Yds]

0.925926

CU YD

*Press [Feet] twice for square feet; press [Feet] three
times for cubic feet.

Dimensional Math

Keystroke

Display

[On/C] [On/C]

0.

10 [Inch] [+] 2 [Feet] 5 [Inch] [=]

3

FEET

3

INCH

2 [Feet] [x] 1 [Feet] 2 [Inch] [=]

2.333333

SQ FEET

5 [Feet] [-] 1 [Inch] 3 [/] 4[=]

4

FEET

10-1/4

INCH

10 [Feet] [÷] 1 [Inch] 1 [/] 4 [=]

96.

59 [Feet] [Feet] [+] 10 [%]

64.9

SQ FEET

“Square-up”/Diagonal

“Square up”(find the diagonal to ensure a perfect
square) a concrete pad that has a length of 10 feet
and a width of 20 feet.

Keystroke

Display

[On/C] [On/C]

0.

10 [Feet] [Conv] [x] [+]

100.

SQ FEET

20 [Feet] [Conv] [x]

400.

SQ FEET

[=]

500.

SQ FEET

[Conv] [÷]

22

FEET

4-5/16

INCH

Material Calculations

The following calculations are based on common
industry standards (see “

Default Values for

Materials

”) for estimating quantities of materials.

You may need to adjust your calculations if you use
values other than specified. Also, remember to factor
in a waste allowance when ordering materials.

Tons of Gravel

How much gravel do you need to cover a 36' x 11'
driveway 2" deep?

Keystroke

Display

[On/C] [On/C]

0.

36 [Feet] [x] 11 [Feet] [ x ] 2 [Inch] [=]

66.

CU FEET

[Conv] [0]

(Gravel)

3.18 tn

Number of Tiles

How many tiles do you need to fill a floor measur-
ing 150 square feet? You’re not sure of the tile
size you’re going to use, so in this example, find
the number of tiles in various sizes. Note: After
converting to Tile, press the [1] key until you
reach the desired tile size. The ProjectCalc lists
seven of the most popular tile sizes.

Keystroke

Display

[On/C] [On/C]

0.

150 [Feet] [Feet]

150.

SQ FEET

[Conv] [1]

(Tile)

66.67

(18 in)

[1]

(Tile)

150.00

(12 in)

[1]

(Tile)

337.50

(8 in)

[1]

(Tile)

600.00

(6 in)

MATERIAL EXAMPLES

DIMENSION EXAMPLES

[1]

(Tile)

1350.00

(4 in)

[1]

(Tile)

5400.00

(2 in)

[1]

(Tile)

21600.00

(1 in)

Number of Bricks/Blocks
for a Wall

Find the number of (face) bricks or concrete blocks
needed to do a 40' x 3' wall.

Keystroke

Display

[On/C] [On/C]

0.

40 [Feet] [x] 3 [Feet] [=]

120.

SQ FEET

[Conv] [2]

(Brick)

822.86 F br

[Conv] [3]

(Block)

135.00 bL

Number of Paver Bricks

Find the number of (paver) bricks required for a 3'
x 18' walkway.

Keystroke

Display

[On/C] [On/C]

0.

3 [Feet] [x] 18 [Feet] [=]

54.

SQ FEET

[Conv] [2]

(Brick)

370.29 F br

[2]

(Brick)

243.00 P br

Number of 4'x8' Sheets

How many 4' x 8' drywall sheets do you need for a
wall measuring 20' 5" x 15'?

Keystroke

Display

[On/C] [On/C]

0.

20 [Feet] 5 [Inch] [x] 15 [Feet] [=]

306.25

SQ FEET

[Conv] [4]

(4x8 Sheet)

9.57 Sh

Gallons of Paint

How many gallons of paint will you need to cover
a wall that is 100' long x 8' high?

Keystroke

Display

[On/C] [On/C]

0.

100 [Feet] [x] 8 [Feet] [=]

800.

SQ FEET

[Conv] [5]

(Paint)

2.29 GL

How many square feet will 2 gallons cover?

Keystroke

Display

2 [Conv] [5]

(Paint)

700.

SQ FEET

Rolls of Wallpaper

Find the number wallpaper rolls needed for a wall
measuring 10' 6" x 12'.

Keystroke

Display

[On/C] [On/C]

0.

10 [Feet] 6 [Inch] [x] 12 [Feet] [=]

126.

SQ FT

[Conv] [6]

(Wallpaper)

2.25 rl

Board Feet Calculations

Find the total board feet for three 2" x 4" x 14'
boards:

Keystroke

Display

[On/C] [On/C]

0.

2 [Inch] [x] 4 [Inch] [x] 14 [Feet] [=]

1344.

CU INCH

[Conv] [7]

(Board Feet)

9.33 bF

[x] 3 [=]

27.99

Number of Studs

How many 16" on-center studs are required for a
15 feet 6-1/2 inch wall?

Keystroke

Display

[On/C] [On/C]

0.

15 [Feet] 6 [Inch] 1 [/] 2

15

FEET

6-1/2

INCH

[Conv] [8]

(Studs)*

13. St

*Automatically includes one stud for the end.

Bundles of Roof Shingles

How many bundles of roof shingles will you need
to cover a 14' x 11' roof?

Keystroke

Display

[On/C] [On/C]

0.

14 [Feet] [x] 11 [Feet] [=]

154.

SQ FEET

[Conv] [9]

(Roof Bundle)

4.62 rF bn

Finding Cost of Materials

You can use the ProjectCalc to determine the total
cost of a project, if you know the material’s cost per
unit. See the following examples.

Cost of Paint

How many gallons of paint will you need to cover
four (4) walls, if they each measure 10' x 8'? If the
paint costs $21.97 per gallon, what is the total cost?

Keystroke

Display

[On/C] [On/C]

0.

10 [Feet] [x]

10

FEET

0

INCH

8 [Feet] [=]

80

SQ FEET

[x] 4 [=]

320

SQ FEET

[Conv] 5

(Paint)*

0.91

GL

[x] 21.97 [Conv] [ • ]

(Cost)**

19.99

* .91 is just under one gallon

** The cost is just under $20.00

Cost of Concrete

How much will 1,250 cubic feet of concrete cost if
the cost per cubic yard is quoted at $50? Convert
cubic feet to cubic yards. Then find the total cost.

Keystroke

Display

[On/C] [On/C]

0.

1250 [Feet] [Feet] [Feet]

1250.

CU FEET

[Conv] [Yds]

46.2963

CU YD

[x] 50 [Conv] [ • ]

(Cost)

2314.81

(It’ll cost just under $2,315)

[On/C] — On/Clear Key

Turns power on. Pressing once clears the display.
Pressing twice clears all temporary values.

[Off] — Off Key

Turns all power off, clearing all non-permanent
registers.

[%] — Percent Key

Four-function percent key.

[+] [–] [x] [÷] [=]

Arithmetic operation keys.

[0] — [9] and [ • ]

Digits used for keying-in numbers.

Dimension Keys

Entering Square or Cubic

To label a dimension as “square” or “cubic,” enter the
value, then press the desired unit (of measure) key
twice for square and three times for cubic. For exam-
ple, to enter 25 cubic yards, press 25 [Yds] [Yds] [Yds].

[Yds] — Yards Key

Enters or converts to

yards.

[Feet] — Feet Key

Enters or converts to feet as whole or decimal
numbers. Also used with the [Inch] and [/] keys
for entering Feet-Inch values (e.g., 6 [Feet] 9
[Inch] 1 [/] 2). Repeated presses during conver-
sions toggle between Feet-Inch and Decimal Feet.

[Inch] — Inch Key

Enters or converts to

inches. Entry can be whole

or decimal numbers. Also used with the [/] key for
entering fractional inch values (e.g., 9 [Inch] 1 [/]
2). Repeated presses during conversions toggle
between Fractional and Decimal Inches.

[Met] — Meter Key

Enters or converts to

Meters.

[ / ] — Fraction Bar Key

Used to enter fractions. Fractions can be entered
as proper (1/2, 1/8, 1/16) or improper (3/2, 9/8).

Fraction Resolution

Your calculator is set to display fractional values to
the nearest 16th of an inch. 1/64 resolution can be
displayed by pressing [/] with the value in the dis-
play. The fractional resolution of the calculator can
be permanently set by pressing [Conv] [/] with a
clear (zero) display. Repeat presses of the [/] will
then revolve through the available settings: 1/16,
1/32, 1/64, 1/2, 1/4 and 1/8.

KEY DEFINITIONS

FINDING COST OF MATERIALS