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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

    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.

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