The SK4989 Square Kilometre

SK4989 National Grid Square

Based in the Yorkshire and the Humber English Region.

The SK4989 square kilometre intersects with the settlement of Thurcroft.

SK4989 is within the post town of Rotherham, Yorkshire.

The square is within Rotherham District council.

The Point of Origin (0,0) is 594.07 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SK4989

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Map Series	link	Ordnance Survey
Explorer 1:25,000 279 Doncaster, Conisbrough, Maltby and Thorne	Shop for this map on amazon.co.uk
Landranger 1:50,000 111 Sheffield & Doncaster	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 120 Mansfield & Worksop	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 SK4989 and the vertical and horizontal line divides the square into four quadrants

Dividing the SK4989 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. SK , 49 and 89

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 SK + 49 + 3 + 89 + 5 would give you the six figure grid reference of SK493895

SK	49		89
SK	49	3	89	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	53.395491	-1.264588	449000	389000
South East Corner	53.395491	-1.249393	450000	389000
North West Corner	53.404572	-1.264588	449000	390000
North East Corner	53.404572	-1.249393	450000	390000