A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches:
- square in
- sq inches, sq inch, sq in
- inches/-2, inch/-2, in/-2
- inches^2, inch^2, in^2
- inches², inch², in²
The square inch is a common unit of measurement in the United States and the United Kingdom.
Equivalence with other units of area
1 square inch (assuming an international inch) is equal to:
- 0.0069444444444 square feet (1 square foot is equal to 144 square inches)
- about 0.00077160493827160493 square yards (1 square yard is equal to 1,296 square inches)
- 6.4516 square centimetres (1 square centimetre is equal to about 0.15500031 square inches)
- 0.00064516 square metres (1 square metre is equal to about 1,550.0031 square inches)
See also
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