esriUnits

Options to specify the standard measured unit type.

Value	Description
esriCentimeters	Centimeters. WKID = 109006.
esriDecimalDegrees	Decimal Degrees. WKID = 9102.
esriDecimeters	Decimeters. WKID = 109005.
esriFeet	Feet. WKID = 9003.
esriInches	Inches. WKID = 109008.
esriKilometers	Kilometers. WKID = 9036.
esriMeters	Meters. WKID = 9001.
esriMiles	Miles. WKID = 9035.
esriMillimeters	Millimeters. WKID = 109007.
esriNauticalMiles	Nautical Miles. WKID = 9030.
esriPoints	Points. 1/72 inch. No WKID, strictly a printing canvas measure.
esriUnknownUnits	Unknown units. No WKID.
esriYards	Yards. WKID = 109002.