The SP1772 Square Kilometre

SP1772 National Grid Square

Based in the West Midlands English Region.

The SP1772 square kilometre intersects with the settlement of Packwood.

SP1772 is within the post town of Solihull, Warwickshire.

The square is within Solihull District & Warwick District councils.

The Point of Origin (0,0) is 497.87 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SP1772

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Map Series	link	Ordnance Survey
Explorer 1:25,000 220 Birmingham, Walsall, Solihull and Redditch	Shop for this map on amazon.co.uk
Landranger 1:50,000 139 Birmingham and Wolverhampton	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 SP1772 and the vertical and horizontal line divides the square into four quadrants

Dividing the SP1772 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. SP , 17 and 72

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 SP + 17 + 3 + 72 + 5 would give you the six figure grid reference of SP173725

SP	17		72
SP	17	3	72	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	52.345797	-1.751863	417000	272000
South East Corner	52.345797	-1.737131	418000	272000
North West Corner	52.354819	-1.751863	417000	273000
North East Corner	52.354819	-1.737131	418000	273000