ArcGIS Pro 2.7 API Reference Guide
SquareFeet Property
Example 

ArcGIS.Core.Geometry Namespace > AreaUnit Class : SquareFeet Property
Gets an area unit object representing area in square feet (Factory Code = 109405).
Syntax
public static AreaUnit SquareFeet {get;}
Public Shared ReadOnly Property SquareFeet As AreaUnit
Example
// convert 700 square meters to square feet
double sqFeet = AreaUnit.SquareFeet.ConvertFromSquareMeters(700);

// convert 1100 square feet to square meters
double sqMeters = AreaUnit.SquareFeet.ConvertToSquareMeters(1000);
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

AreaUnit Class
AreaUnit Members