The NM5248 Square Kilometre

NM5248 National Grid Square

Based in the Highlands and Islands region of Scotland.

NM5248 is within the post town of Isle Of Mull, Argyllshire.

The square is within Argyll and Bute council.

The Point of Origin (0,0) is 763.29 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NM5248

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Map Series	link	Ordnance Survey
Explorer 1:25,000 374 Isle of Mull North and Tobermory		Buy Direct from the Ordnance Survey
Landranger 1:50,000 47 Tobermory & North Mull		Buy Direct from the Ordnance Survey
Landranger 1:50,000 48 Iona, Ulva & west Mull

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 NM5248 and the vertical and horizontal line divides the square into four quadrants

Dividing the NM5248 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. NM , 52 and 48

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 NM + 52 + 3 + 48 + 5 would give you the six figure grid reference of NM523485

NM	52		48
NM	52	3	48	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	56.558253	-6.038493	152000	748000
South East Corner	56.558253	-6.021308	153000	748000
North West Corner	56.567741	-6.038493	152000	749000
North East Corner	56.567741	-6.021308	153000	749000