The square mile (abbreviated as sq mi and sometimes as mi2) [1] is an imperial and US unit of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile. Learn how to convert square miles to acres using a simple formula and a conversion table. One square mile is equal to 640 acres, and one acre is equal to 0.0015625 square miles. How to Convert Square Miles to Acres To convert a measurement in square miles to a measurement in acres, multiply the area by the following conversion ratio: 640 acres/square mile. A square mile is a unit of area. It is the size of a square that is one mile on a side. It is equal to 640 acres or approximately 2.59 square kilometers. Use this calculator to convert square miles (mi²) to acres (ac) and vice versa. One square mile is equal to 640 acres and one acre is equal to 0.0015625 square miles. Convert squaremiles to acres instantly. 1 squaremile equals 640 acres. Use our free calculator for acres to squaremiles conversion with tables, formulas & real-world examples. There are 640 acres in a square mile. To convert square miles to acres, multiply the square mile value by 640. For example, to convert 2 square miles to acres, you can use the following formula: acre = 640 * square mile value acre = 640 * 2 = 1280 Therefore, 2 square miles equal to 1280 acres.
