There are no miles in any acres, and no acres in any miles.
1 square mile = 640 acres
90 acres=0.141 square miles and I am sorry, but I do not know how many miles not squared are in 90 acres.
1,024,000 acres.
Acres are area. Miles are length.
There is 0.234375 miles in 150 acres
2,560 Acres.
if you mean square acres to square miles there are 12800 acres
42,000 Acres = 65.625 Square Miles
There are 1,600,000 acres in 2,500 square miles.
There are 16,000,000 acres in 25,000 square miles.
0.2625 square miles for 168 acres.
0.109375 square miles for 70 acres.
20.3125 square miles for 13,000 acres.