The NN1233 Square Kilometre

NN1233 National Grid Square

Based in the Highlands and Islands region of Scotland.

NN1233 is within the post town of Taynuilt, Argyllshire.

The square is within Argyll and Bute council.

The Point of Origin (0,0) is 763.04 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NN1233

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Map Series	link	Ordnance Survey
Explorer 1:25,000 377 Loch Etive and Glen Orchy		Buy Direct from the Ordnance Survey
Landranger 1:50,000 50 Glen Orchy

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 NN1233 and the vertical and horizontal line divides the square into four quadrants

Dividing the NN1233 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. NN , 12 and 33

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 NN + 12 + 3 + 33 + 5 would give you the six figure grid reference of NN123335

NN	12		33
NN	12	3	33	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	56.451552	-5.052805	212000	733000
South East Corner	56.451552	-5.035885	213000	733000
North West Corner	56.460920	-5.052805	212000	734000
North East Corner	56.460920	-5.035885	213000	734000