Which coordinate system is used in United Kingdom?

The grid most surveyors use in United Kingdom is British National Grid (OSGB36). In all, 121 EPSG systems are defined for United Kingdom, on datums such as HS2 Survey Grid, TPEN11 Grid and MML07 Grid. Use the one named in your survey report or drawing.

How do I convert United Kingdom coordinates to latitude and longitude or Google Earth?

Open the system's page below and type an easting and northing into the converter, or paste a whole spreadsheet into the free web app and choose the system by name or EPSG code. Save the result as KML or KMZ and open it in Google Earth.

Are United Kingdom coordinates in metres or feet?

All 121 are in metres. Enter the numbers in the unit of the system you choose; each system's page shows its unit.

United Kingdom coordinate systems

121 EPSG coordinate systems used in United Kingdom. Pick one to open a converter already set to it, with its parameters and area of use.

The 121 EPSG coordinate systems for United Kingdom are based on HS2 Survey Grid, TPEN11 Grid, MML07 Grid and AbInvA96_2020 Grid and other datums. The projection is Transverse Mercator (121). Coordinates are in metres. Together they cover 49.8°N to 62.0°N, 9.0°W to 3.4°E.

Most used: British National Grid (OSGB36)

Highways England

HS2 phases 1 and 2a railway corridor from London to Birmingham

HS2 Survey Grid 9300

London

London Survey Grid 102400

Northern Ireland

OSNI 1952 / Irish National Grid 29901

offshore

ED50 / TM 0 N 23090

offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E

OSGB36 / British National Grid 27700

on or related to East West Rail

EWR2 Grid 9766

on or related to Midland Rail Hub

MRH21 Grid 9869

on or related to rail routes from Newcastle Central to Ashington via Benton North Junction

ECML14_NB Grid 9761

on or related to the A96 highway from Aberdeen to Inverness

AbInvA96_2020 Grid 9387

on or related to the complex of rail routes in the East of Scotland

EOS21 Grid 9741

on or related to the Midland Mainline rail route from Sheffield to London

MML07 Grid 9373

on or related to the rail route from Glasgow to Kilmarnock via Barrhead and the branch to East Kilbride

GBK19 Grid 9456

on or related to the rail route from Inverness to Thurso and Wick

FNL22 Grid 9977

on or related to the rail route from Manchester via Ordsall Lane and the Hope Valley to Dore Junction

MOLDOR11 Grid 9880

on or related to the rail route from Manchester via Wigan and Liverpool to Chester

MWC18 Grid 20002

on or related to the rail route from Newport

EBBWV14 Grid 9943

on or related to the rail route from the Morley tunnel through Leeds to Hull

HULLEE13 Grid 9967

on or related to the Scottish central mainline rail route from Motherwell through Perth and Pitlochry to Inverness

SCM22 Grid 9972

on or related to the Trans-Pennine rail route from Liverpool via Manchester to Bradford and Leeds

TPEN11 Grid 9367

Questions about United Kingdom coordinates

Which coordinate system is used in United Kingdom?: The grid most surveyors use in United Kingdom is British National Grid (OSGB36). In all, 121 EPSG systems are defined for United Kingdom, on datums such as HS2 Survey Grid, TPEN11 Grid and MML07 Grid. Use the one named in your survey report or drawing.
How do I convert United Kingdom coordinates to latitude and longitude or Google Earth?: Open the system's page below and type an easting and northing into the converter, or paste a whole spreadsheet into the free web app and choose the system by name or EPSG code. Save the result as KML or KMZ and open it in Google Earth.
Are United Kingdom coordinates in metres or feet?: All 121 are in metres. Enter the numbers in the unit of the system you choose; each system's page shows its unit.

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