EPSG systems

Réunion: coordinate systems

6 current national systems, and 0 regional or world-wide systems that also cover this country. Every code opens its page: definition, parameters, proj4, WKT.

Projected systems 3

Plane X/Y coordinates (Easting, Northing), most often in metres: what plans, cadastre and surveys use.

Projected systems — Réunion
Code Name Conversion
EPSG:2975 RGR92 / UTM zone 40S Converts here
EPSG:3727 Reunion 1947 / TM Reunion Converts here
EPSG:5644 RGR92 / UTM zone 39S Converts here

Geographic systems 3

Latitude and longitude on the ellipsoid of a datum. They underlie the projected systems of the same datum.

Geographic systems — Réunion
Code Name Conversion
EPSG:4626 Reunion 1947 Converts here
EPSG:4627 RGR92 Converts here
EPSG:7037 RGR92 (lon-lat) 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.

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