The NC4519 Square Kilometre

NC4519 National Grid Square

Based in the Highlands and Islands region of Scotland.

NC4519 is within the post town of Lairg, Sutherland.

The square is within Highland council.

The Point of Origin (0,0) is 951.10 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NC4519

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Map Series	link	Ordnance Survey
Explorer 1:25,000 440 Glen Cassley and Glen Oykel		Buy Direct from the Ordnance Survey
Landranger 1:50,000 16 Lairg & Loch Shin	Shop for this map on amazon.co.uk	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 NC4519 and the vertical and horizontal line divides the square into four quadrants

Dividing the NC4519 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. NC , 45 and 19

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 NC + 45 + 3 + 19 + 5 would give you the six figure grid reference of NC453195

NC	45		19
NC	45	3	19	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	58.132664	-4.634695	245000	919000
South East Corner	58.132664	-4.617070	246000	919000
North West Corner	58.141986	-4.634695	245000	920000
North East Corner	58.141986	-4.617070	246000	920000