CHAIN-a linear measure of land of 66 feet. 1 chain = 100 links 4 rods/poles/perches 0.10 furlongs 1/80th of a mile 22 yards 66 feet 23.76 varas**
LINK-a unit of measurement which is 1/100th of a chain, used in measuring land. 1 link = 7.92 inches
FURLONG-a distance equal to 1/8 of a mile. 1 furlong = 10 chains 1006 links 40 rods/poles/perches 1/8th of a mile 237 varas 660 feet 220 yards
ROD-a unit of measure which equals 5.5 yards, 16.5 feet. 1 rod = 0.25 chains
POLE-a unit of measure equal to a perch or rod. 1 pole/perch = 0.025 furlongs 0.003125 miles 0.594 varas 16.5 feet 5.5 yards 1 mile = 80 chains 1,760 yards 5,280 feet 320 rods/poles/perches 8 furlongs 1,901 varas
LEAGUE-an English land measure of about three miles. 1 league= 5,000 varas square 13,889 feet square 4,428.4 acres
LABOR-land measure equal to 177 acres. 1 labor = 1,000 varas square 2,788 feet square 177.136 acres 1 acre = 160 rods 10 square chains 5,645.4 square varas 75.13 varas square 43,560 square feet 4,840 square yards
ARPENT-French measure of land, containing a hundred square perches,
and varying with the different values of the perch from about an
acre and a quarter to about 5/6 of an acre.
-Oxford English Dictionary 1 arpent = 0.84 acres 36,590 square feet 4,066 square yards
**VARA: an official measurement of land in Texas which equals 33 1/3 inches; 36 varas is 100 feet, 1900.8 varas is a
mile, 5,645.4 square varas is one acre.