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    EPSG reference

    EPSG:26237 — Massawa / UTM zone 37N

    Massawa / UTM zone 37N (EPSG:26237) — a Projected (metres) system on the bessel datum, used in Sudan. Parameters, proj4, WKT, accuracy ±0.1 m, plus a free converter to W…

    At a glance

    EPSG
    26237
    Name
    Massawa / UTM zone 37N
    Kind
    Projected (metres)
    Family
    Universal Transverse Mercator (UTM)
    Ellipsoid
    bessel
    Accuracy
    ±0.1 m (vs PROJ)
    Countries
    Sudan
    Convert from this system now

    Area of use

    West36.44°
    South12.36°
    East43.31°
    North18.10°

    Projection parameters

    Projectionutm
    UTM zone37
    Ellipsoidbessel
    Unitsm
    Helmert shift to WGS84639,405,60,0,0,0,0
    proj4
    +proj=utm +zone=37 +ellps=bessel +units=m +no_defs +towgs84=639,405,60,0,0,0,0
    WKT (ESRI)
    PROJCS["Massawa / UTM zone 37N",GEOGCS["GCS_Massawa / UTM zone 37N",DATUM["D_Bessel_1841",SPHEROID["Bessel_1841",6377397.155,299.1528128],TOWGS84[639,405,60,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",39],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","26237"]]

    Sample conversion

    Centre of the area of use: WGS84 39.87500, 15.23000 → EPSG:26237 594058.340, 1683897.075

    Values are within ±0.1 m at the test point.

    About the Universal Transverse Mercator (UTM) family

    Massawa / UTM zone 37N 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 Sudan.

    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 “Massawa / UTM zone 37N”, a Projected (metres) system in the Universal Transverse Mercator (UTM) family, identified worldwide by the code EPSG:26237.

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