LINEAR MEASURE 

 Table 

 12 inches = 1 foot. 

 3 feet = 1 yard. 



5j4 yards = 1 rod. 

 320 rods = 1 statute mile. 



1 mile = 320 rds. = 1760 yds. = 5280 feet. 

 40 rds, = 1 furlong, which is seldom used. 

 The geographic mile or knot = 6086 feet. 

 A fathom = 6 feet. 



SQUARE MEASURE 

 The unit of land measure is the acre. It may be of any shape, 

 but it is equivalent to a rectangular tract, 5 chains or 20 rds. long 

 and 2 chains or 8 rds. wide. 



Table 



1000 sq. links I = i sq. chain. 

 16 sq. rds. ) 



10 sq. chains ) 1 ^„g 

 160 sq. rds. ) 



640 acres = 1 sq. mile. 



A square rod is also called a perch. 



A sq. foot is 12 inches long, 12 inches wide = 12x12 = 144 sq. 

 in. = 1 sq. foot. 



A sq. yard is 3 feet x 3 feet = 9 sq. ft. = 1 sq. yd. 



A sq. rod is 5>^ yds. x 5/^ yds. = 30^ sq. yds. = 1 sq. rd. 



CUBIC MEASURE 

 Table 

 1728 cu. inches = 1 cu. foot. 

 27 cu. feet = 1 cu. yard. 



WOOD MEASURE 

 The unit of wood measure is the cord. It is a rectangular solid 

 8 ft. long, 4 ft. high and 4 ft. wide. 



A cord foot is 1 ft. long, 4 ft. high and 4 ft. wide. 



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