The NS5550 Square Kilometre

NS5550 National Grid Square

Based in the West Scotland region of Scotland.

NS5550 is within the post town of Glasgow, Lanarkshire.

The square is within East Renfrewshire council.

The Point of Origin (0,0) is 698.23 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NS5550

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Map Series	link	Ordnance Survey
Explorer 1:25,000 334 East Kilbride, Galston and Darvel		Buy Direct from the Ordnance Survey
Landranger 1:50,000 64 Glasgow Motherwell & Airdrie	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 NS5550 and the vertical and horizontal line divides the square into four quadrants

Dividing the NS5550 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. NS , 55 and 50

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 NS + 55 + 3 + 50 + 5 would give you the six figure grid reference of NS553505

NS	55		50
NS	55	3	50	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	55.721652	-4.310596	255000	650000
South East Corner	55.721652	-4.294159	256000	650000
North West Corner	55.730928	-4.310596	255000	651000
North East Corner	55.730928	-4.294159	256000	651000