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    EPSG reference

    EPSG:22332 — Carthage / UTM zone 32N

    Carthage / UTM zone 32N (EPSG:22332) — a Projected (metres) system on the clrk80ign datum, used in Tunisia. Parameters, proj4, WKT, accuracy ±1.2 m, plus a free converte…

    At a glance

    EPSG
    22332
    Name
    Carthage / UTM zone 32N
    Kind
    Projected (metres)
    Family
    Universal Transverse Mercator (UTM)
    Ellipsoid
    clrk80ign
    Accuracy
    ±1.2 m (vs PROJ)
    Countries
    Tunisia
    Convert from this system now

    Area of use

    West7.81°
    South33.22°
    East13.67°
    North38.41°

    Projection parameters

    Projectionutm
    UTM zone32
    Ellipsoidclrk80ign
    Unitsm
    Helmert shift to WGS84-263,6,431,0,0,0,0
    proj4
    +proj=utm +zone=32 +ellps=clrk80ign +units=m +no_defs +towgs84=-263,6,431,0,0,0,0
    WKT (ESRI)
    PROJCS["Carthage / UTM zone 32N",GEOGCS["GCS_Carthage / UTM zone 32N",DATUM["D_Clarke_1880_IGN",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936269],TOWGS84[-263,6,431,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",9],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","22332"]]

    Sample conversion

    Tunisia capital: WGS84 10.18150, 36.80650 → EPSG:22332 605346.716, 4073601.953

    Values are within ±1.2 m at the test point.

    About the Universal Transverse Mercator (UTM) family

    Carthage / UTM zone 32N is a Universal Transverse Mercator zone — a 6°-wide belt of the worldwide UTM system, in metres, centred on a meridian carefully chosen so distortion stays low across the zone. It is the everyday working grid for GPS-derived surveying in Tunisia.

    The classic field mistake with UTM is using the wrong zone: a point one zone away is easily hundreds of kilometres off. Always confirm the zone number (and the hemisphere) before importing coordinates, and remember that UTM eastings are offset by a 500 km false easting so they never go negative.

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    FAQ

    What is EPSG:22332?
    It is the coordinate system “Carthage / UTM zone 32N”, a Projected (metres) system in the Universal Transverse Mercator (UTM) family, identified worldwide by the code EPSG:22332.
    What datum does it use, and how accurate is it?
    It is based on the clrk80ign ellipsoid and it carries Helmert parameters to WGS84. The residual at the test point is about ±1.2 m versus PROJ; for centimetre work use a geodetic adjustment service.
    Where is this system used?
    It is used in Tunisia. This page shows its area of use as a coordinate rectangle above.
    How do I convert EPSG:22332 to WGS84?
    Use the free coordinate converter above (preloaded with this system) to convert to WGS84, UTM, or any other system, within a ±1.2 m residual.

    You may also need: Arab-world coordinate converter · Surveying file format converter · Batch coordinate file converter