Algeria: coordinate systems
20 current national systems, and 4 regional or world-wide systems that also cover this country. Every code opens its page: definition, parameters, proj4, WKT.
Projected systems 14
Plane X/Y coordinates (Easting, Northing), most often in metres: what plans, cadastre and surveys use.
| Code | Name | Conversion |
|---|---|---|
| EPSG:22229 | RGSH2020 / UTM zone 29N | Converts here |
| EPSG:22230 | RGSH2020 / UTM zone 30N | Converts here |
| EPSG:22231 | RGSH2020 / UTM zone 31N | Converts here |
| EPSG:22232 | RGSH2020 / UTM zone 32N | Converts here |
| EPSG:30491 | Voirol 1875 / Nord Algerie (ancienne) | Converts here |
| EPSG:30492 | Voirol 1875 / Sud Algerie (ancienne) | Converts here |
| EPSG:30493 | Voirol 1879 / Nord Algerie (ancienne) | Converts here |
| EPSG:30494 | Voirol 1879 / Sud Algerie (ancienne) | Converts here |
| EPSG:30729 | Nord Sahara 1959 / UTM zone 29N | Converts here |
| EPSG:30730 | Nord Sahara 1959 / UTM zone 30N | Converts here |
| EPSG:30731 | Nord Sahara 1959 / UTM zone 31N | Converts here |
| EPSG:30732 | Nord Sahara 1959 / UTM zone 32N | Converts here |
| EPSG:30791 | Nord Sahara 1959 / Nord Algerie | Converts here |
| EPSG:30792 | Nord Sahara 1959 / Sud Algerie | Converts here |
Geographic systems 6
Latitude and longitude on the ellipsoid of a datum. They underlie the projected systems of the same datum.
| Code | Name | Conversion |
|---|---|---|
| EPSG:4304 | Voirol 1875 | Converts here |
| EPSG:4307 | Nord Sahara 1959 | Converts here |
| EPSG:4671 | Voirol 1879 | Converts here |
| EPSG:4811 | Voirol 1875 (Paris) | Converts here |
| EPSG:4821 | Voirol 1879 (Paris) | Converts here |
| EPSG:10299 | RGSH2020 | Converts here |
Regional and world-wide systems that also cover this country 4
UTM zones, continental grids and frames shared with other countries.
| Code | Name | Conversion |
|---|---|---|
| EPSG:32629 | WGS 84 / UTM zone 29N | Converts here |
| EPSG:32630 | WGS 84 / UTM zone 30N | Converts here |
| EPSG:32631 | WGS 84 / UTM zone 31N | Converts here |
| EPSG:32632 | WGS 84 / UTM zone 32N | 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.