The NS3085 Square Kilometre

NS3085 National Grid Square

Based in the West Scotland region of Scotland.

NS3085 is within the post town of Helensburgh, Dunbartonshire.

The square is within Argyll and Bute council.

The Point of Origin (0,0) is 722.58 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NS3085

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Map Series	link	Ordnance Survey
Explorer 1:25,000 ol38 Loch Lomond South	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 56 Loch Lomond & Inveraray		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 NS3085 and the vertical and horizontal line divides the square into four quadrants

Dividing the NS3085 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 , 30 and 85

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 + 30 + 3 + 85 + 5 would give you the six figure grid reference of NS303855

NS	30		85
NS	30	3	85	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	56.027639	-4.730214	230000	685000
South East Corner	56.027639	-4.713554	231000	685000
North West Corner	56.036968	-4.730214	230000	686000
North East Corner	56.036968	-4.713554	231000	686000