The SJ9199 Square Kilometre

SJ9199 National Grid Square

Based in the North West English Region.

The SJ9199 square kilometre intersects with the settlements of Ashton-under-Lyne & Droylsden.

SJ9199 is within the post towns of Ashton-under-lyne, Lancashire & Manchester, Lancashire.

The square is within Oldham District & Tameside District councils.

The Point of Origin (0,0) is 558.64 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SJ9199

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Map Series	link	Ordnance Survey
Explorer 1:25,000 277 Manchester and Salford	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 109 Manchester Bolton & Warrington	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 SJ9199 and the vertical and horizontal line divides the square into four quadrants

Dividing the SJ9199 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. SJ , 91 and 99

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 SJ + 91 + 3 + 99 + 5 would give you the six figure grid reference of SJ913995

SJ	91		99
SJ	91	3	99	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	53.487651	-2.137133	391000	399000
South East Corner	53.487651	-2.122034	392000	399000
North West Corner	53.496655	-2.137133	391000	400000
North East Corner	53.496655	-2.122034	392000	400000