The SD2361 Square Kilometre

SD2361 National Grid Square

Based in the North West English Region.

SD2361 is within the post town of Barrow-in-furness, Lancashire.

The square is within Barrow-in-Furness District council.

The Point of Origin (0,0) is 562.89 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SD2361

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Map Series	link	Ordnance Survey
Explorer 1:25,000 ol6 The English Lakes - South Western area	Shop for this map on amazon.co.uk
Landranger 1:50,000 96 Barrow-in-Furness & South Lakeland	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 SD2361 and the vertical and horizontal line divides the square into four quadrants

Dividing the SD2361 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. SD , 23 and 61

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 SD + 23 + 3 + 61 + 5 would give you the six figure grid reference of SD233615

SD	23		61
SD	23	3	61	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	54.039214	-3.177520	323000	461000
South East Corner	54.039214	-3.162000	324000	461000
North West Corner	54.048348	-3.177520	323000	462000
North East Corner	54.048348	-3.162000	324000	462000