Common Sizes and Distances Used in Real Estate

One acre = 43,560 square feet, or 4,840 square yards.
One acre = 4,033 m2
One mile = 5,280 feet
One square mile = 640 acres.
One section = one square mile
One township contains 36 sections.
One hectare (for those on the metric system) is 10,000 meters squared (2.47 acres).

How can I determine the number of acres if I know the dimensions of a rectangular property?

Here’s how you do it. As an example, we’ll use a rectangular shaped property, which is 330’ on 2 sides and 660’ on the 2 long sides. You would multiply the length times the width, and then divide that number by 43,560 (the number of square feet in an acre), as shown below:

330 feet x 660 feet = 217,800 square feet
217,800 square feet divided by 43,560 = 5

Therefore, your 330’x 660’ property is 5 acres