411 REFERENCE · Wikibooks
A Compendium of Useful Information for the Practical Man/Measurements
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Land Measurements
9 square feet = 1 square yard
30 1/4 square yards = 1 square rod
40 square rods = 1 rood
1 acre = 4 roods = 160 rods = 4840 square yards = 43,560 square feet
1 acre = 208.71X208.71 feet = 43,560 square feet = 10 square Gunter's chains
1 acre = 220X198 feet
A square 1/2 acre = 147.58X147.58 feet = 110X198 feet
A square 1/4 acre = 104.355X104.355 feet = 55X198 feet
A section of land = 640 acres = 1 square mile
Useful information for practical men compiled for E. I. Du Pont de Nemours ... By E.I. du Pont de Nemours & Company