The HU3941 Square Kilometre

HU3941 National Grid Square

Based in the Highlands and Islands region of Scotland.

HU3941 is within the post town of Shetland.

The square is within Shetland Islands council.

The Point of Origin (0,0) is 1,222.54 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for HU3941

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Map Series	link	Ordnance Survey
Explorer 1:25,000 467 Shetland - Mainland Central		Buy Direct from the Ordnance Survey
Explorer 1:25,000 466 Shetland - Mainland South		Buy Direct from the Ordnance Survey
Landranger 1:50,000 4 Shetland - South Mainland	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 HU3941 and the vertical and horizontal line divides the square into four quadrants

Dividing the HU3941 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. HU , 39 and 41

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 HU + 39 + 3 + 41 + 5 would give you the six figure grid reference of HU393415

HU	39		41
HU	39	3	41	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	60.151548	-1.299405	439000	1141000
South East Corner	60.151548	-1.281200	440000	1141000
North West Corner	60.160623	-1.299405	439000	1142000
North East Corner	60.160623	-1.281200	440000	1142000