Extract Watershed with geometry from DEM in ArcGIS || River basin extraction from DEM in ArcGIS

[@paragbarange6038]

In the attribute table of WS_VECTER, the area is coming in decimal, how will it be in kilometers?

[@ArcGISQGISEARDASENVIrGIS]

create new field " area_km" field type "Dable " than calculate geometry .......