The NZ2937 Square Kilometre

NZ2937 National Grid Square

Based in the North East English Region.

NZ2937 is within the post town of Durham, County Durham.

The square is within County Durham council.

The Point of Origin (0,0) is 687.32 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NZ2937

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Map Series	link	Ordnance Survey
Explorer 1:25,000 308 Durham and Sunderland	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Explorer 1:25,000 305 Bishop Auckland - Spennymoor and Newtown	Shop for this map on amazon.co.uk
Landranger 1:50,000 93 Middlesbrough	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 NZ2937 and the vertical and horizontal line divides the square into four quadrants

Dividing the NZ2937 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. NZ , 29 and 37

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 NZ + 29 + 3 + 37 + 5 would give you the six figure grid reference of NZ293375

NZ	29		37
NZ	29	3	37	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	54.727109	-1.551246	429000	537000
South East Corner	54.727109	-1.535617	430000	537000
North West Corner	54.736153	-1.551246	429000	538000
North East Corner	54.736153	-1.535617	430000	538000