Owerri: coordinates, UTM zone and magnetic declination
Survey data sheet for Owerri (Nigeria) 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 Owerri in?
Owerri is in UTM zone 32N, with central meridian 9° E. In WGS 84, the city center is at E 282,103 m and N 606,482 m.
What is the magnetic declination in Owerri?
Today the magnetic declination in Owerri is 0.57° W, changing by +5.0′ 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 Owerri?
The geoid undulation (EGM2008) in Owerri is N = 19.35 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Owerri
- Umuahia 51 km
- Aba 56 km
- Port Harcourt 79 km
- Onitsha 79 km
- Yenagoa 105 km
- Uyo 111 km
- Enugu 118 km
- Ogbia 119 km
- All cities in Nigeria
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS