Convert square inch [in^2] to square foot (US survey) Online | Free area Converter

Square Inch [in²]


A square inch (in²) is a unit of area representing a square with sides 1 inch long. It is commonly used in the United States for measuring small surfaces, such as paper sizes or screen dimensions.

1 square inch = 6.4516 square centimeters = 0.00064516 square meters.


Square Foot (US Survey)


The square foot (US survey) is a unit of area based on the US survey foot, which is slightly longer than the international foot. It is mainly used in land surveying and mapping in the United States.



  • 1 US survey foot = 1200⁄3937 meters (approximately 0.3048006096 m)



  • 1 square foot (US survey) ≈ 0.0929034116 m²



This unit helps maintain consistency in US land measurements, especially in legal and cadastral contexts.



Popular Area Unit Conversions

Convert square inch [in^2] to Other Area Units