ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Geometry Namespace / LinearUnit Class / Millimeters Property
Example Version

Millimeters Property
Gets a linear unit representing millimeters (Factory code = 109007).
Syntax
public static LinearUnit Millimeters {get;}
Example
LinearUnit - Convert between centimeters and millimeters
// convert 11 centimeters to millimeters
double mm = LinearUnit.Centimeters.ConvertTo(11, LinearUnit.Millimeters);

// convert the result back to centimeters
double cm = LinearUnit.Millimeters.ConvertTo(mm, LinearUnit.Centimeters);

// convert the millimeter result back to meters
double meters = LinearUnit.Millimeters.ConvertToMeters(mm);
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also