The ST8194 Square Kilometre

ST8194 National Grid Square

Based in the South West English Region.

ST8194 is within the post town of Tetbury, Gloucestershire.

The square is within Cotswold District council.

The Point of Origin (0,0) is 427.55 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST8194

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Map Series	link	Ordnance Survey
Explorer 1:25,000 168 Stroud, Tetbury and Malmesbury	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 162 Gloucester & Forest of Dean	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 173 Swindon & Devizes	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 ST8194 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST8194 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 , 81 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 + 81 + 3 + 94 + 5 would give you the six figure grid reference of ST813945

ST	81		94
ST	81	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	51.644476	-2.276035	381000	194000
South East Corner	51.644476	-2.261528	382000	194000
North West Corner	51.653500	-2.276035	381000	195000
North East Corner	51.653500	-2.261528	382000	195000