5985. Decimal Equivalents of the Divisions of a Foot

5985. Decimal Equivalents of the Divisions of a Foot.

5985 Decimal Equivalents of the Divisions of a Foo 61

To use the above table - suppose it is required to find what decimal of a foot is equivalent to 8 inches - look for the column headed 8, and the figures at the top of that column, .66666, is the decimal required. Again, to find the decimal of a foot equal to 53/4 inches, look in the column under figure 5, run the finger down that column until it is level with the 3/4 (marked on the left side of the table); the figures .47916 give the decimal required.

5986. To Find the Square Feet in Boards

5986. To Find the Square Feet in Boards. Multiply the decimal in the table, corresponding to the width of the board, by the length of the board in feet.

Breadth in Inches.

Area of a Lineal Foot.

Breadth in Inches.

Area of a Lineal Foot.

i

.0208

6*

.5208

1

.0417

61

.5416

3/4

.0625

6 3/4

.5625

1

.0834

7

.5833

11

.1042

7±

.6042

1 1/2

.125

7 1/2

.625

1*

.1459

7 3/4

.6458

2

.1667

8

.6667

2 1/4

.1875

8 1/4

.6875

2 1/2

.2084

8 1/2

.7084

2 3/4

.2292

8|

.7292

3

.25

9

.75

3ir

.2708

9 1/4

.7708

31

.2916

9 1/2

•7917

3 3/4

.3125

9 3/4

.8125

4

.3334

10

.8334

4i

.3542

10*

.8542

4 1/2

.375

10 1/2

.875

4 3/4

.3958

10 3/4

.8959

5

.4167

11

.9167

61

.4375

11 1/4

.9375

5i

.4583

11 1/2

.9583

5 3/4

.4792

11 3/4f

.9792

6

.5

    

Example. To find the square feet in a board 14 1/2 feet long and 91/4 inches wide. The decimal in the table opposite 91/4 inches

5986 To Find the Square Feet in Boards 62