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Reference Tables (cont'd.)
8
quarts
.=
1 peck
4 pecks.... . . = 1 bushel
16 ounces.=1 pound (dry measure)
NOTE: Ail measurements quoted are level.
COUNTING
12 units
.1 dozen (doz.)
12 dozen or 144 units.= 1 gross (gr.)
SQUARE OR AREA MEASURE
144 square inches
...=1 square foot
9 square feet
.=1 square yard
301/4 square yards.=1 square rod, pole or perch
160 square rods.=
10 square chains
.= 43,560 sq. ft.
640 acres = 1 square mile = 1 "section" of U.S. Government surveyed land
1 acre
CUBIC OR VOLUME MEASURE
LINEAR MEASURE
12 inches.
11001
4 inches
, .."1/3 (4/12) foot= 1 hand
9 inches
.. . . . . = 1 span
3 feet
.=1 Yard
5-1 /2 yards.=16-1/2 feet =1 rod, pole or perch
40 poles
.= 220 yards = 1 furlong
8 furlongs.= 1,760 yards = 5,280 feet = 1 mile
3 miles.=1 league
69-1/8 miles.= 1 degree
320 rods
.. 1 mile
1,728 cubic inches.= 1 cubic foot
27 cubic feet
.= 1 cubic yard
1 cord of wood
.= 128 cubic feet
1 board foot =144 cubic inches
.=1/12 cubic foot
1 perch of stone or brick.= 24-3/4 cubic feet
(May vary from 16-1/2 to 25 cubic feet}
Number of board feet in a log = [1/4 (d-4)] 2L; where "d" = diameter of log
(taken inside the bark at the smalt end) in inches; and L = length of log in feet
The 4 inches subtracted are an allowance for slab. Remember to square the
formula before multiplying by the length.
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