The NK0642 Square Kilometre

NK0642 National Grid Square

Based in the North East Scotland region of Scotland.

NK0642 is within the post town of Peterhead, Aberdeenshire.

The square is within Aberdeenshire council.

The Point of Origin (0,0) is 934.77 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NK0642

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Map Series	link	Ordnance Survey
Explorer 1:25,000 427 Peterhead and Fraserburgh		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 NK0642 and the vertical and horizontal line divides the square into four quadrants

Dividing the NK0642 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. NK , 06 and 42

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 NK + 06 + 3 + 42 + 5 would give you the six figure grid reference of NK063425

NK	06		42
NK	06	3	42	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	57.468205	-1.901630	406000	842000
South East Corner	57.468205	-1.884931	407000	842000
North West Corner	57.477201	-1.901630	406000	843000
North East Corner	57.477201	-1.884931	407000	843000