The term 'Square Yardage' is a measurement of AREA, which is the size of a two-dimensional surface. It is typically used to measure the size of a piece of land or a building. The term is derived from the fact that a square yard is equal to 9 square feet, and is equal to 0.83612736 square meters. Square yardage is often used in real estate transactions, as it is a convenient way to measure the size of a property.