The NT7810 Square Kilometre

NT7810 National Grid Square

Based in the North East English Region & South Scotland region of Scotland.

NT7810 is within the post towns of Jedburgh, Roxburghshire & Morpeth, Northumberland.

The square is within Northumberland & Scottish Borders councils.

The Point of Origin (0,0) is 717.62 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NT7810

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Map Series	link	Ordnance Survey
Explorer 1:25,000 ol16 The Cheviot Hills, Jedburgh & Wooler	Shop for this map on amazon.co.uk
Landranger 1:50,000 80 Cheviot Hills & Keilder Forest	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 NT7810 and the vertical and horizontal line divides the square into four quadrants

Dividing the NT7810 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. NT , 78 and 10

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 NT + 78 + 3 + 10 + 5 would give you the six figure grid reference of NT783105

NT	78		10
NT	78	3	10	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	55.383473	-2.348866	378000	610000
South East Corner	55.383473	-2.333004	379000	610000
North West Corner	55.392503	-2.348866	378000	611000
North East Corner	55.392503	-2.333004	379000	611000