The SD0789 Square Kilometre

SD0789 National Grid Square

Based in the North West English Region.

SD0789 is within the post town of Millom, Cumberland.

The square is within Copeland District council.

The Point of Origin (0,0) is 577.38 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SD0789

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Map Series	link	Ordnance Survey
Explorer 1:25,000 ol6 The English Lakes - South Western area	Shop for this map on amazon.co.uk
Landranger 1:50,000 96 Barrow-in-Furness & South Lakeland	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey

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 SD0789 and the vertical and horizontal line divides the square into four quadrants

Dividing the SD0789 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. SD , 07 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 SD + 07 + 3 + 89 + 5 would give you the six figure grid reference of SD073895

SD	07		89
SD	07	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	54.288143	-3.430477	307000	489000
South East Corner	54.288143	-3.414809	308000	489000
North West Corner	54.297308	-3.430477	307000	490000
North East Corner	54.297308	-3.414809	308000	490000