ArcGIS Pro 2.7 API Reference Guide
Hectares Property
Example 

ArcGIS.Core.Geometry Namespace > AreaUnit Class : Hectares Property
Gets an area unit object representing area in hectares (Factory Code = 109401).
Syntax
public static AreaUnit Hectares {get;}
Public Shared ReadOnly Property Hectares As AreaUnit
Example
// convert 2 hectares to acres
double acres = AreaUnit.Hectares.ConvertTo(2, AreaUnit.Acres);
// convert 300 hectares to square miles
double sqMiles = AreaUnit.Hectares.ConvertTo(300, AreaUnit.SquareMiles);
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

AreaUnit Class
AreaUnit Members