EPSG systems

Seychelles: coordinate systems

4 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 2

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

Projected systems — Seychelles
Code Name Conversion
EPSG:6915 South East Island 1943 / UTM zone 40N Converts here
EPSG:32740 WGS 84 / UTM zone 40S Converts here

Geographic systems 2

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

Geographic systems — Seychelles
Code Name Conversion
EPSG:4256 Mahe 1971 Converts here
EPSG:6892 South East Island 1943 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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