The TM0278 Square Kilometre

TM0278 National Grid Square

Based in the Eastern English Region.

TM0278 is within the post town of Diss, Norfolk.

The square is within Breckland District, Mid Suffolk District & West Suffolk District councils.

The Point of Origin (0,0) is 663.09 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TM0278

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Map Series	link	Ordnance Survey
Explorer 1:25,000 230 Diss & Harleston	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 144 Thetford & Breckland	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 TM0278 and the vertical and horizontal line divides the square into four quadrants

Dividing the TM0278 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. TM , 02 and 78

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 TM + 02 + 3 + 78 + 5 would give you the six figure grid reference of TM023785

TM	02		78
TM	02	3	78	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	52.362460	0.965333	602000	278000
South East Corner	52.362460	0.980603	603000	278000
North West Corner	52.371808	0.965333	602000	279000
North East Corner	52.371808	0.980603	603000	279000