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EPSG:29901OSNI 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

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.