Click on a location to place a marker marker and see its latitude and longitude co-ordinates (WGS84 Decimal) below.
You can add multiple marker points. To remove a marker point simply click it again.
Double click on a selected location to re-centre the map on that point.
Current marker point
Latitude
Longitude
Paste values of marker point co-ordinates into the boxes and click Convert to get the OS grid reference.
Latitude
and Longitude
Convert Grid reference to WGS84 decimal co-ordinates.