Many people are familiar with the term "square footage." This is because it is a common measurement used in both construction and architecture. It is calculated by multiplying length by width.
A square foot is a unit of area. It is equal to 144 square inches.
The United States is among the countries that use the imperial system to measure area. 1 square foot is equivalent to 929.030 square centimeters, or 144 square inches or 0.093 square meters.
The term has been used for centuries by sailors to measure their boat’s area.