A kilometer is a measure of distance and an acre is a measure of area. These two units are incomparable.
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∙ 14y ago1 acre = 0.004 square kilometers.
Answer: 1 acre = 0.004046 km²
1 acre is 0.0040469 square kilometers.
1 acre is 0.004 square km
One acre is 0.00404686 square km
0.0040469 square km
Approx 0.004047 of them.
1 acre = 43,560 square feet
One acre is 0.004 square kilometers, so 166 square kilometers would be 41,500 acres.
Answer: 1 acre = 6,272,640 in²
One acre contains 40468564.224 square centimetres.
1 acre = about 4,046.86 square meters