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The NB0621 Square Kilometre

NB0621 National Grid Square

Based in the Highlands and Islands region of Scotland.

NB0621 is within the post town of Isle Of Lewis, Ross-shire.

The square is within Na h-Eileanan an Iar council.

The Point of Origin (0,0) is 927.08 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NB0621

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Map SerieslinkOrdnance Survey
Explorer 1:25,000 458 West Lewis/Taobh Siar Leodhais
Landranger 1:50,000 13 West Lewis & North HarrisShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
Landranger 1:50,000 14 Tarbert & Loch SeaforthShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
NW
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Key of Northings for the NB0621 National Grid Square
Map of the NB0621 National Grid Square
Key of Eastings for the NB0621 National Grid Square
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A historical Ordnance Survey Map Sheet showing Grid Square NB0621.

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 NB0621 and the vertical and horizontal line divides the square into four quadrants

Dividing the NB0621 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. NB , 06 and 21

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 NB + 06 + 3 + 21 + 5 would give you the six figure grid reference of NB063215

NB0621
NB063215

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!


CornerLatitudeLongitudeEastingNorthing
South West Corner58.080093-6.990556106000921000
South East Corner58.080093-6.972413107000921000
North West Corner58.089703-6.990556106000922000
North East Corner58.089703-6.972413107000922000