A farmer could tell you that this measurement of land is equal to 43,560 square feet
This is because if you drive 60 miles north, 60 miles west, 60 miles 
south,... [DOC] [TLE] Convert Square Feet to Acres for Land | LotNetwork.com [PAR] Square feet and acre are commonly used for land area measurements in the 
United ... square feet conversion calculator available on LotNetwork.com so you 
can ... is derived from farming  it essentially means the amount of land that can 
be ... 43,560 square feet; 160 perches (A perch is equal to a square rod (1 square 
rod... [DOC] [TLE] Why is an acre 43560 square feet?