A square inch is a unit of area measurement that equals to a square measuring one inch on each side. Among the symbols used to denote square inches are square in, sq inches, sq inch, sq in, etc. Used in the British Imperial and US system, this unit is also used for measuring small areas and is primarily used for making measurements on drawings like square centimeter. To calculate square inches in two-dimensional areas, the numbers can be totaled by the equation width × length, if the shape of the area is square or rectangle.
1 Square Inch is equal to
0.00064516 square meters
0.006 94 square feet
0.000 771 604 9382 square yards
6.4516 square centimetres
0.000 645 16 square metres