The NJ8131 Square Kilometre

NJ8131 National Grid Square

Based in the North East Scotland region of Scotland.

NJ8131 is within the post town of Inverurie, Aberdeenshire.

The square is within Aberdeenshire council.

The Point of Origin (0,0) is 914.18 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NJ8131

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Map Series	link	Ordnance Survey
Explorer 1:25,000 421 Ellon and Inverurie		Buy Direct from the Ordnance Survey
Explorer 1:25,000 426 Banff, Macduff and Turriff		Buy Direct from the Ordnance Survey
Landranger 1:50,000 29 Banff & Huntly	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 30 Fraserburgh		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 NJ8131 and the vertical and horizontal line divides the square into four quadrants

Dividing the NJ8131 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. NJ , 81 and 31

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 NJ + 81 + 3 + 31 + 5 would give you the six figure grid reference of NJ813315

NJ	81		31
NJ	81	3	31	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	57.369046	-2.317623	381000	831000
South East Corner	57.369046	-2.300920	382000	831000
North West Corner	57.378070	-2.317623	381000	832000
North East Corner	57.378070	-2.300920	382000	832000