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Alimosho: coordinates, UTM zone and magnetic declination

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

Latitude6°36′23.6″ N
Longitude3°18′08.5″ E
Decimal degrees6.60656, 3.30235
UTM zone31N · MC 3° E
UTM (WGS 84)E 533,422 · N 730,266
Scale factor (k)0.999614
Grid convergence+0.0348°
Magnetic declination (today)1.22° W · +5.6′/year
Geoid undulation (EGM2008)N = 23.20 m
Approximate elevation43 m
Time zoneAfrica/Lagos (UTC+1)
Population308,290

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
BJCO BJCO00BENCotonou, Benin97 km
ACRG ACRG00GHAAccra, Ghana403 km
CGGN CGGN00NGATORO, Nigeria750 km

Tools to use here

FAQ

What UTM zone is Alimosho in?

Alimosho is in UTM zone 31N, with central meridian 3° E. In WGS 84, the city center is at E 533,422 m and N 730,266 m.

What is the magnetic declination in Alimosho?

Today the magnetic declination in Alimosho is 1.22° W, changing by +5.6′ 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 Alimosho?

The geoid undulation (EGM2008) in Alimosho is N = 23.20 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Alimosho

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

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