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EPSG:7405OSGB36 / British National Grid + ODN height

Compound coordinate reference system. Area of use: UK - Great Britain mainland onshore.

Code
EPSG:7405
Type
Compound
Area
UK - Great Britain mainland onshore

PROJ definition

+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +units=m +geoidgrids=uk_os_OSGM15_GB.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crs

Geographic bounds

W -7.06°   S 49.93°   E 1.8°   N 58.71°

Convert coordinates with EPSG:7405

Common transformations from EPSG:7405

Frequently asked questions

What is the proj4 string for EPSG:7405?
The proj4 definition for EPSG:7405 is: +proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +units=m +geoidgrids=uk_os_OSGM15_GB.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crs
Where is EPSG:7405 used?
EPSG:7405 (OSGB36 / British National Grid + ODN height) is defined for the area: UK - Great Britain mainland onshore.