The NC6501 Square Kilometre

NC6501 National Grid Square

Based in the Highlands and Islands region of Scotland.

NC6501 is within the post towns of Dornoch, Sutherland & Rogart, Sutherland.

The square is within Highland council.

The Point of Origin (0,0) is 939.16 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NC6501

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Map Series	link	Ordnance Survey
Explorer 1:25,000 441 Lairg, Bonar Bridge and Golspie		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 NC6501 and the vertical and horizontal line divides the square into four quadrants

Dividing the NC6501 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 , 65 and 01

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 + 65 + 3 + 01 + 5 would give you the six figure grid reference of NC653015

NC	65		01
NC	65	3	01	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	57.977685	-4.284940	265000	901000
South East Corner	57.977685	-4.267475	266000	901000
North West Corner	57.986962	-4.284940	265000	902000
North East Corner	57.986962	-4.267475	266000	902000