The NG4933 Square Kilometre

NG4933 National Grid Square

Based in the Highlands and Islands region of Scotland.

NG4933 is within the post town of Portree, Isle Of Skye.

The square is within Highland council.

The Point of Origin (0,0) is 846.22 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NG4933

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Map Series	link	Ordnance Survey
Explorer 1:25,000 410 Skye - Portree and Bracadale		Buy Direct from the Ordnance Survey
Explorer 1:25,000 409 Raasay, Rona and Scalpay		Buy Direct from the Ordnance Survey
Explorer 1:25,000 411 Skye - Cuillin Hills - Soay
Landranger 1:50,000 24 Raasay & Loch Torridon	Shop for this map on amazon.co.uk
Landranger 1:50,000 32 South Skye	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 NG4933 and the vertical and horizontal line divides the square into four quadrants

Dividing the NG4933 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. NG , 49 and 33

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 NG + 49 + 3 + 33 + 5 would give you the six figure grid reference of NG493335

NG	49		33
NG	49	3	33	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	57.318251	-6.171533	149000	833000
South East Corner	57.318251	-6.153957	150000	833000
North West Corner	57.327759	-6.171533	149000	834000
North East Corner	57.327759	-6.153957	150000	834000