Answer: 400 acres = 0.625 mi²
400 square miles is 256,000 acres.
1 hectare = 2.471 acres, 400 hectares = 988.40 acres. 1 square mile = 640 acres. So 988.40 acres = 988.40/640 = 1.544 square mile.
400 acres is 1,936,000 square yards or 0.63 square miles.
A mile is a unit of distance. An acre is a unit of area. The two units are therefore incompatible.
400,000 acres is 625 square miles.
Answer: 40,000 acres = 62.5 mi²
0.625 square mile (5/8 sq mile).
40 acres is 400 square chains.
http://www.dict.cc/400 square meters is approximately equal to 0.0988421526 acres.
Answer: 160,000 square feet = 3.67309 acres
One acre has 43,560 square feet. Divide the number of square feet by that and you get the number of acres. This gives you an answer of 3.67 acres.
400 miles