Choose a CalculatorArea Unit Conversion Grammage to Basis Weight Basis Weight to Grammage Length Unit Conversion Linear Footage Price Per Linear Foot M-Weight Mailing Weight in Ounces MILS/Microns MSI/MSF Pages per Inch Price per MSI/MSF Unit Conversion Short Ton to Metric Ton Area Unit Conversion Calculator Use this calculator to convert between different units of area measurement, such as square feet, square inches, etc. Input: Input Convert: From acres ares hectares sq. centimeters [cm²] sq. feet [ft²] sq. inches [in²] sq. kilometers [km²] sq. meters [m²] sq. miles [mi²] sq. millimeters [mm²] sq. yards [yd²] To acres ares hectares sq. centimeters [cm²] sq. feet [ft²] sq. inches [in²] sq. kilometers [km²] sq. meters [m²] sq. miles [mi²] sq. millimeters [mm²] sq. yards [yd²] Result =