OS X (Eastings) 415324 OS Y (Northings) 184143 Nat Grid SU153841 / SU1532484143 Nearest Post Code SN1 3JS Lat (WGS84) N51:33:21 (51.555966240807365) Long (WGS84) W1:46:49 (-1.7803632368067488) Lat,Long (WGS84) 51.555966240807365,-1.7803632368067488 Lat (OSGB36) N51:33:20 (51.5554865144274) Long (OSGB36) W1:46:44 (-1.7789437583036007) Lat,Long (OSGB36) 51.5554865144274,-1.7789437583036007 what3words pokers.upon.ocean Open Loc/Plus code 9C3WH649+9VJ