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Boksburg: coordinates, UTM zone and magnetic declination

Survey data sheet for Boksburg (South Africa) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude26°12′43.1″ S
Longitude28°15′34.5″ E
Decimal degrees-26.21197, 28.25958
UTM zone35S · MC 27° E
UTM (WGS 84)E 625,835 · N 7,100,230
Scale factor (k)0.999796
Grid convergence−0.5564°
Magnetic declination (today)20.93° W · −15.9′/year
Geoid undulation (EGM2008)N = 26.52 m
Approximate elevation1,624 m
Time zoneAfrica/Johannesburg (UTC+2)
Population445,168

Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.

Nearest GNSS reference stations (IGS)

StationLocationDistance
PRE3 PRE300ZAFPretoria, South Africa52 km
PRE4 PRE400ZAFPretoria, South Africa52 km
JPRE JPRE00ZAFPretoria, South Africa53 km

Tools to use here

FAQ

What UTM zone is Boksburg in?

Boksburg is in UTM zone 35S, with central meridian 27° E. In WGS 84, the city center is at E 625,835 m and N 7,100,230 m.

What is the magnetic declination in Boksburg?

Today the magnetic declination in Boksburg is 20.93° W, changing by −15.9′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).

What is the geoid undulation in Boksburg?

The geoid undulation (EGM2008) in Boksburg is N = 26.52 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Boksburg

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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