Square Inch Conversions

Use this easy and mobile-friendly calculator to convert between Square Inches and other units of Area.
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1 Square Inch =
6.4516 Square Centimeters
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Square Inches
A square inch is a unit of area. It is the size of a square that is one inch on a side. It is 1/144th of a square foot, or exactly 6.4516 square centimeters.
Common abbreviations: sq in, inch², in², in^2
Square Centimeters
A square centimeter, or square centimetre, is a unit of area. It is the size of a square that is one centimeter on a side. It is equal to 1/10,000th of a square meter, or approximately 0.155 square inches.
Common abbreviations: sq cm, cm², cm^2