The ST2094 Square Kilometre

ST2094 National Grid Square

Based in the South Wales East region of Scotland.

ST2094 is within the post towns of Blackwood, Monmouthshire & Newport, Monmouthshire.

The square is within Caerffili - Caerphilly council.

The Point of Origin (0,0) is 374.21 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST2094

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Map Series	link	Ordnance Survey
Explorer 1:25,000 152 Newport and Pontypool / Casnewydd a Phont-y-pwl	Shop for this map on amazon.co.uk
Explorer 1:25,000 166 Rhondda and Merthyr Tydfil	Shop for this map on amazon.co.uk
Landranger 1:50,000 171 Cardiff & Newport	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 ST2094 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST2094 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. ST , 20 and 94

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 ST + 20 + 3 + 94 + 5 would give you the six figure grid reference of ST203945

ST	20		94
ST	20	3	94	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	51.639095	-3.157668	320000	194000
South East Corner	51.639095	-3.142992	321000	194000
North West Corner	51.648225	-3.157668	320000	195000
North East Corner	51.648225	-3.142992	321000	195000