The NS2251 Square Kilometre

NS2251 National Grid Square

Based in the West Scotland region of Scotland.

NS2251 is within the post town of West Kilbride, Ayrshire.

The square is within North Ayrshire council.

The Point of Origin (0,0) is 687.81 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NS2251

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Map Series	link	Ordnance Survey
Explorer 1:25,000 341 Greenock, Largs and Millport	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 63 Firth of Clyde Greenock & Rothesay	Shop for this map on amazon.co.uk

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 NS2251 and the vertical and horizontal line divides the square into four quadrants

Dividing the NS2251 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 , 22 and 51

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 + 22 + 3 + 51 + 5 would give you the six figure grid reference of NS223515

NS	22		51
NS	22	3	51	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	55.719629	-4.836091	222000	651000
South East Corner	55.719629	-4.819541	223000	651000
North West Corner	55.728970	-4.836091	222000	652000
North East Corner	55.728970	-4.819541	223000	652000