The square inch is an Imperial unit / U.S. customary unit (non-SI non-metric) of area, used in the United States. It is defined as the area of a square with sides of 1 inch (0.2777 yards, 0.8333 feet, or 0.0254 metres) in length.
Symbols
There is no universally agreed symbol but the following are used:
- square inches, square inch, square in
- sq inches, sq inch, sq in
- inches/-2, inch/-2, in/-2
- inches^2, inch^2, in^2
- inches², inch², in²
Conversions
1 square inch is equivalent to:
See also