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Kumasi: coordinates, UTM zone and magnetic declination

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

Latitude6°41′18.5″ N
Longitude1°37′27.9″ W
Decimal degrees6.68848, -1.62443
UTM zone30N · MC 3° W
UTM (WGS 84)E 652,046 · N 739,524
Scale factor (k)0.999886
Grid convergence+0.1602°
Magnetic declination (today)2.41° W · +6.8′/year
Geoid undulation (EGM2008)N = 27.07 m
Approximate elevation270 m
Time zoneAfrica/Accra (UTC+0)
Population2,544,530

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
ACRG ACRG00GHAAccra, Ghana195 km
YKRO YKRO00CIVYamoussoukro, Côte d’Ivoire400 km
BJCO BJCO00BENCotonou, Benin451 km

Tools to use here

FAQ

What UTM zone is Kumasi in?

Kumasi is in UTM zone 30N, with central meridian 3° W. In WGS 84, the city center is at E 652,046 m and N 739,524 m.

What is the magnetic declination in Kumasi?

Today the magnetic declination in Kumasi is 2.41° W, changing by +6.8′ 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 Kumasi?

The geoid undulation (EGM2008) in Kumasi is N = 27.07 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Kumasi

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

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