EPSG:29901 — OSNI 1952 / Irish National Grid
Projected coordinate reference system. Area of use: UK - Northern Ireland - onshore.
Code
EPSG:29901
Type
Projected
Area
UK - Northern Ireland - onshore
PROJ definition
+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=1 +x_0=200000 +y_0=250000 +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +units=m +no_defs +type=crs
Geographic bounds
W -8.18° S 53.96° E -5.34° N 55.36°
Convert coordinates with EPSG:29901
Common transformations from EPSG:29901
- EPSG:29901 → EPSG:4326OSNI 1952 / Irish National Grid → WGS 84
- EPSG:29901 → EPSG:3857OSNI 1952 / Irish National Grid → WGS 84 / Pseudo-Mercator
- EPSG:29901 → EPSG:3395OSNI 1952 / Irish National Grid → WGS 84 / World Mercator
- EPSG:29901 → EPSG:4978OSNI 1952 / Irish National Grid → WGS 84
- EPSG:29901 → EPSG:7789OSNI 1952 / Irish National Grid → ITRF2014
- EPSG:29901 → EPSG:4267OSNI 1952 / Irish National Grid → NAD27
- EPSG:29901 → EPSG:4269OSNI 1952 / Irish National Grid → NAD83
- EPSG:29901 → EPSG:6318OSNI 1952 / Irish National Grid → NAD83(2011)
- EPSG:29901 → EPSG:4322OSNI 1952 / Irish National Grid → WGS 72
- EPSG:29901 → EPSG:26910OSNI 1952 / Irish National Grid → NAD83 / UTM zone 10N
- EPSG:29901 → EPSG:26911OSNI 1952 / Irish National Grid → NAD83 / UTM zone 11N
- EPSG:29901 → EPSG:26912OSNI 1952 / Irish National Grid → NAD83 / UTM zone 12N
Frequently asked questions
- What is the proj4 string for EPSG:29901?
- The proj4 definition for EPSG:29901 is: +proj=tmerc +lat_0=53.5 +lon_0=-8 +k=1 +x_0=200000 +y_0=250000 +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +units=m +no_defs +type=crs
- Where is EPSG:29901 used?
- EPSG:29901 (OSNI 1952 / Irish National Grid) is defined for the area: UK - Northern Ireland - onshore.