The SE8104 Square Kilometre

SE8104 National Grid Square

Based in the Yorkshire and the Humber English Region.

SE8104 is within the post towns of Doncaster, Yorkshire & Scunthorpe, Lincolnshire.

The square is within North Lincolnshire council.

The Point of Origin (0,0) is 628.15 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SE8104

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Map Series	link	Ordnance Survey
Explorer 1:25,000 280 Isle of Axholme, Scunthorpe and Gainsborough	Shop for this map on amazon.co.uk
Landranger 1:50,000 112 Scunthorpe	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 SE8104 and the vertical and horizontal line divides the square into four quadrants

Dividing the SE8104 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. SE , 81 and 04

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 SE + 81 + 3 + 04 + 5 would give you the six figure grid reference of SE813045

SE	81		04
SE	81	3	04	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	53.526296	-0.779602	481000	404000
South East Corner	53.526296	-0.764259	482000	404000
North West Corner	53.535437	-0.779602	481000	405000
North East Corner	53.535437	-0.764259	482000	405000