This calculator uses the formula L x W = Area² to calculate the area of a rectangle.
To calculate the number of acres, Area² is divided by 43,560.
There are 43,560 square feet in one acre.
One acre equals 1/640 of a mile or 0.0015625 square miles.
160 Acres = 1 Quarter Section = Quarter square mile
One Section = 640 Acres = 1 square mile