1 acre = 0.004 square kilometers.
Km is distance, Acre is area - they don't compare. You've got to have square kilometers for the comparison to mean anything.
There are about 4,046.9 square meters in one acre.
1 acre = 43,560 square feet
One acre is 6,272,640 square inches.
43560 square feet in one acre
One acre is 0.00404686 square km
Answer: 1 acre = 0.004046 km²
One acre is 0.004 square kilometers, so 166 square kilometers would be 41,500 acres.
Km is distance, Acre is area - they don't compare. You've got to have square kilometers for the comparison to mean anything.
There are about 4,046.9 square meters in one acre.
43560 square feet in one acre.
1 acre = 43,560 square feet
43,650 square feet in one acre.
There are 4,047 square meters in one acre.
One acre is 6,272,640 square inches.
1 acre = 4,046.85642 square meters
4,840 square yards equals one acre