The ST6717 Square Kilometre

ST6717 National Grid Square

Based in the South West English Region.

The ST6717 square kilometre intersects with the settlement of Goathill.

ST6717 is within the post town of Sherborne, Dorset.

The square is within Dorset & South Somerset District councils.

The Point of Origin (0,0) is 385.20 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST6717

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Map Series	link	Ordnance Survey
Explorer 1:25,000 129 Yeovil and Sherbourne	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 183 Yeovil & Frome	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 ST6717 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST6717 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 , 67 and 17

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 + 67 + 3 + 17 + 5 would give you the six figure grid reference of ST673175

ST	67		17
ST	67	3	17	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	50.951474	-2.471250	367000	117000
South East Corner	50.951474	-2.456923	368000	117000
North West Corner	50.960523	-2.471250	367000	118000
North East Corner	50.960523	-2.456923	368000	118000