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Esri measurement units.
| Constant | Value | Description | 
|---|---|---|
| esriUnknownUnits | 0 | Unknown. | 
| esriInches | 1 | Inches. | 
| esriPoints | 2 | Points. | 
| esriFeet | 3 | Feet. | 
| esriYards | 4 | Yards. | 
| esriMiles | 5 | Miles. | 
| esriNauticalMiles | 6 | Nautical miles. | 
| esriMillimeters | 7 | Millimeters. | 
| esriCentimeters | 8 | Centimeters. | 
| esriMeters | 9 | Meters. | 
| esriKilometers | 10 | Kilometers. | 
| esriDecimalDegrees | 11 | Decimal degrees. | 
| esriDecimeters | 12 | Decimeters. | 
| esriUnitsLast | 13 | Internal use only. |