Input Coordinates: Output Coordinates:
SR-ORG:7483
EPSG:3857 -- WGS84 Web Mercator (Auxiliary Sphere) (Google it)
Projection used in many popular web mapping applications (Google/Bing/OpenStreetMap/etc). Sometimes known as EPSG:900913.
SR-ORG Projection 7483 - EPSG:3857 -- WGS84 Web Mercator (Auxiliary Sphere)