Roodepoort: coordinates, UTM zone and magnetic declination
Survey data sheet for Roodepoort (South Africa) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.
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)
Tools to use here
FAQ
What UTM zone is Roodepoort in?
Roodepoort is in UTM zone 35S, with central meridian 27° E. In WGS 84, the city center is at E 587,199 m and N 7,106,027 m.
What is the magnetic declination in Roodepoort?
Today the magnetic declination in Roodepoort is 20.70° W, changing by −15.8′ 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 Roodepoort?
The geoid undulation (EGM2008) in Roodepoort is N = 26.40 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Roodepoort
- Soweto 12 km
- Krugersdorp 13 km
- Randburg 15 km
- Johannesburg 18 km
- Diepsloot 29 km
- Boksburg 39 km
- Thembisa 40 km
- Evaton 41 km
- All cities in South Africa
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS