Subject: Distances

1 mile= 80 chains = 320 poles, rods or perches = 5,280 feet

1 chain = 4 poles, rods, or perches = 66 feet = 100 links

1 pole, rod, or perch = 25 links = 16 1/2 feet

1 link = 7.92 inches

1 square mile = 640 acres

1 acre = 10 square chains = 160 square poles, rods, or perches = 43,560 sq.ft.

1 square chain = 15 square poles, rods, or perches = 10,000 square links

1 square pole, rod, or perch = 272 1/4 square feet