The NH3271 Square Kilometre

NH3271 National Grid Square

Based in the Highlands and Islands region of Scotland.

NH3271 is within the post town of Garve, Ross-shire.

The square is within Highland council.

The Point of Origin (0,0) is 901.37 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NH3271

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Map Series	link	Ordnance Survey
Explorer 1:25,000 437 Ben Wyvis and Strathpeffer		Buy Direct from the Ordnance Survey
Explorer 1:25,000 436 Beinn Dearg and Loch Fannich		Buy Direct from the Ordnance Survey
Landranger 1:50,000 20 Beinn Dearg	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 NH3271 and the vertical and horizontal line divides the square into four quadrants

Dividing the NH3271 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. NH , 32 and 71

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 NH + 32 + 3 + 71 + 5 would give you the six figure grid reference of NH323715

NH	32		71
NH	32	3	71	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	57.697314	-4.821218	232000	871000
South East Corner	57.697314	-4.803764	233000	871000
North West Corner	57.706657	-4.821218	232000	872000
North East Corner	57.706657	-4.803764	233000	872000