The SH5961 Square Kilometre

SH5961 National Grid Square

Based in the North Wales region of Scotland.

SH5961 is within the post town of Caernarfon, Caernarfonshire.

The square is within Gwynedd - Gwynedd council.

The Point of Origin (0,0) is 444.30 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SH5961

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Map Series	link	Ordnance Survey
Explorer 1:25,000 ol17 Snowdon & Conwy Valley	Shop for this map on amazon.co.uk
Landranger 1:50,000 114 Anglesey	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 115 Snowdon	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 SH5961 and the vertical and horizontal line divides the square into four quadrants

Dividing the SH5961 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. SH , 59 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 SH + 59 + 3 + 61 + 5 would give you the six figure grid reference of SH593615

SH	59		61
SH	59	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	53.127481	-4.109199	259000	361000
South East Corner	53.127481	-4.093824	260000	361000
North West Corner	53.136727	-4.109199	259000	362000
North East Corner	53.136727	-4.093824	260000	362000