The ST0481 Square Kilometre

ST0481 National Grid Square

Based in the South Wales Central region of Scotland.

The ST0481 square kilometre intersects with the settlements of Meisgyn,Miskin / Meisgyn & Pontyclun.

ST0481 is within the post town of Pontyclun, Glamorgan.

The square is within Rhondda Cynon Taf - Rhondda Cynon Taf council.

The Point of Origin (0,0) is 353.80 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST0481

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Map Series	link	Ordnance Survey
Explorer 1:25,000 151 Cardiff and Bridgend/Caerdydd a Phen-y-bont ar Ogwr	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 170 Vale of Glamorgan & Rhondda	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 ST0481 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST0481 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 , 04 and 81

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 + 04 + 3 + 81 + 5 would give you the six figure grid reference of ST043815

ST	04		81
ST	04	3	81	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	51.519734	-3.385296	304000	181000
South East Corner	51.519734	-3.370615	305000	181000
North West Corner	51.528892	-3.385296	304000	182000
North East Corner	51.528892	-3.370615	305000	182000