Ireland: coordinate systems
9 current national systems, and 14 regional or world-wide systems that also cover this country. Every code opens its page: definition, parameters, proj4, WKT.
Projected systems 5
Plane X/Y coordinates (Easting, Northing), most often in metres: what plans, cadastre and surveys use.
| Code | Name | Conversion |
|---|---|---|
| EPSG:2157 | IRENET95 / Irish Transverse Mercator | Converts here |
| EPSG:2158 | IRENET95 / UTM zone 29N | Converts here |
| EPSG:23029 | ED50 / UTM zone 29N | Converts here |
| EPSG:29902 | TM65 / Irish Grid | Converts here |
| EPSG:29903 | TM75 / Irish Grid | Converts here |
Geographic systems 4
Latitude and longitude on the ellipsoid of a datum. They underlie the projected systems of the same datum.
Regional and world-wide systems that also cover this country 14
UTM zones, continental grids and frames shared with other countries.
| Code | Name | Conversion |
|---|---|---|
| EPSG:3034 | ETRS89-extended / LCC Europe | Converts here |
| EPSG:3035 | ETRS89-extended / LAEA Europe | Converts here |
| EPSG:3040 | ETRS89 / UTM zone 28N (N-E) | Converts here |
| EPSG:3041 | ETRS89 / UTM zone 29N (N-E) | Converts here |
| EPSG:3042 | ETRS89 / UTM zone 30N (N-E) | Converts here |
| EPSG:4230 | ED50 | Converts here |
| EPSG:4258 | ETRS89 | Converts here |
| EPSG:23030 | ED50 / UTM zone 30N | Converts here |
| EPSG:25828 | ETRS89 / UTM zone 28N | Converts here |
| EPSG:25829 | ETRS89 / UTM zone 29N | Converts here |
| EPSG:25830 | ETRS89 / UTM zone 30N | Converts here |
| EPSG:32628 | WGS 84 / UTM zone 28N | Converts here |
| EPSG:32629 | WGS 84 / UTM zone 29N | Converts here |
| EPSG:32630 | WGS 84 / UTM zone 30N | Converts here |
Which system should I use?
For a plan or a survey in this country, use the national system named by the specification or the cadastre. A UTM zone suits a project that spills over national zones; WGS 84 (EPSG:4326) is for exchanging with a GPS.