The French and Indian War was a conflict between the American colonists and the French over control of the Ohio Valley and the confluence of the Allegheny and Monongahela riversâmodern day Pittsburgh.
1 acre = 160 square rods A rod is a linear measure equal to 5.5 yards, or 16.5 feet while an acre is a measure of area equal to 4840 square yards, or 43,560 square feet.
Determine how many acres you are converting to square miles. This number will probably already be given to you, but you can also use an area calculator map to determine the acreage of a real-world tract of land. For example, you might want to convert 2,500 acres to square miles. 3. Multiply the number of acres by 0.0015625{\displaystyle 0.0015625}. This decimal is a way of representing the ratio of square miles to acres, or 1640{\displaystyle {\frac {1}{640}}}, since, for every 1 square mile you have, you have 640 acres.