EPSG:4300 — TM75
Geographic coordinate system · coordinates in degrees · Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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EPSG:4300TM75
Coordinates in EPSG:4326 — one pair per line
Paste as many as you like: X,Y or X Y or X;Y (optional Z). Columns copied from Excel or a CSV work as-is.
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Worked example — the centre of this system's area of use: -7.95, 53.41 (EPSG:4326 lon, lat) = -7.949, 53.41 (EPSG:4300).
EPSG:4300 details
Area of use
Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
WGS84 bounds: -10.56° to -5.34° longitude, 51.39° to 55.43° latitude.
Well-known text (WKT2)
Show WKT2 definition for EPSG:4300
GEOGCRS["TM75",DATUM["Geodetic Datum of 1965",ELLIPSOID["Airy Modified 1849",6377340.189,299.3249646,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Basis for topographic mapping."],AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],BBOX[51.39,-10.56,55.43,-5.34]],ID["EPSG",4300]]
Related coordinate systems
Working with whole files instead?
- Reproject a vector file (Shapefile, GeoJSON, KML, GeoPackage…) to EPSG:4300
- Reproject a GeoTIFF to EPSG:4300
- Batch-convert a CSV of coordinates between coordinate systems
Registry facts from the official EPSG dataset (v11.022) as distributed with PROJ. Conversions run in your browser via GDAL/PROJ WebAssembly.