The TM1343 Square Kilometre

TM1343 National Grid Square

Based in the Eastern English Region.

The TM1343 square kilometre intersects with the settlement of Ipswich.

TM1343 is within the post town of Ipswich, Suffolk.

The square is within Babergh District & Ipswich District councils.

The Point of Origin (0,0) is 659.41 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TM1343

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Map Series	link	Ordnance Survey
Explorer 1:25,000 197 Ipswich, Felixstowe and Harwich	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 155 Bury St Edmunds	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 169 Ipswich & The Naze	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 TM1343 and the vertical and horizontal line divides the square into four quadrants

Dividing the TM1343 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 , 13 and 43

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 + 13 + 3 + 43 + 5 would give you the six figure grid reference of TM133435

TM	13		43
TM	13	3	43	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	52.044082	1.104643	613000	243000
South East Corner	52.044082	1.119828	614000	243000
North West Corner	52.053444	1.104643	613000	244000
North East Corner	52.053444	1.119828	614000	244000