The SO9789 Square Kilometre

SO9789 National Grid Square

Based in the West Midlands English Region.

The SO9789 square kilometre intersects with the settlements of Oldbury & Rowley Regis.

SO9789 is within the post town of Oldbury, Worcestershire.

The square is within Sandwell District council.

The Point of Origin (0,0) is 491.05 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SO9789

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Map Series	link	Ordnance Survey
Explorer 1:25,000 219 Wolverhampton and Dudley, Stourbridge and Kidderminster
Landranger 1:50,000 139 Birmingham and Wolverhampton	Shop for this map on amazon.co.uk

This extract is taken from the Ordnance Survey six-inch to the mile series surveyed from 1888-1913. The scale is 1:10,560.

The Square overlayed over the map represents the extent of SO9789 and the vertical and horizontal line divides the square into four quadrants

Dividing the SO9789 Square to get a six figure Grid Reference

A helpful reminder for calculating grid references is across the landing and up the stairs.

For example if your house was located in a square that in the fourth square across and sixth square up and you wanted to work out its six figure grid refence.

First, You would divide the four figure grid reference into three parts. SO , 97 and 89

Count across starting with zero. This would give you three. Make a note that X for Across (A Cross) = 3.

Count up starting with zero. This would give you five. Make a note that Y = 5.

So to put it together SO + 97 + 3 + 89 + 5 would give you the six figure grid reference of SO973895

SO	97		89
SO	97	3	89	5

A six figure grid reference would be accurate to 10 metres. To achieve a greater level of accuracy this 10 metre square would be divided into a grid 10 by 10 and the process repeated.

This would produce an 8 figure grid reference that would be accurate to a square metre!

Corner	Latitude	Longitude	Easting	Northing
South West Corner	52.498910	-2.045624	397000	289000
South East Corner	52.498910	-2.030884	398000	289000
North West Corner	52.507905	-2.045624	397000	290000
North East Corner	52.507905	-2.030884	398000	290000