1 kilometer = .6 miles
1 kilometer = 3,280 feet
1 mile = 5,280 feet
1 mile = 1.6 kilometers
1 acre = 43,560 square feet
1 acre = 4047 square meters
1 acre = 208.7 ft x 208.7 ft
1 acre = 63.6 m x 63.6 m
1 square mile = 640 acres
1 square mile = 2.6 square kilometers
1 square kilometer = 247 acres
1 square kilometer = .39 square miles