420ft*100ft = 42000 sq ft = 0.964 acres
42,000 Miles = 67,592.45km
67,592.448 kilometres.
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.
There is 0.234375 miles in 150 acres
2,560 Acres.
1,024,000 acres.
There are 5280 feet in one mile. Therefore, 42000 feet is equal to 42000 / 5280 = 7 21/22, or 7 and twenty-one twenty-secondths, of a mile. Expressed as a decimal fraction, this is equal to 7.954 recurring (that is, 7.9545454...) miles.
0.45625 square miles in 292 acres.
3 acres is equal to 0.0047 square miles.
There are 403,200 acres in 630 square miles.