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Anchorage: coordinates, UTM zone and magnetic declination

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

Latitude61°13′05.0″ N
Longitude149°54′01.0″ W
Decimal degrees61.21806, -149.90028
UTM zone6N · MC 147° W
UTM (WGS 84)E 344,248 · N 6,790,532
Scale factor (k)0.999897
Grid convergence−2.5425°
Magnetic declination (today)13.97° E · −16.9′/year
Geoid undulation (EGM2008)N = 8.05 m
Approximate elevation31 m
Time zoneAmerica/Anchorage (UTC−8)
Population289,600

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
AC23 AC2300USASoldotna, United States98 km
EIL3 EIL300USAFairbanks, United States411 km
EIL4 EIL400USAFairbanks, United States411 km

Tools to use here

FAQ

What UTM zone is Anchorage in?

Anchorage is in UTM zone 6N, with central meridian 147° W. In WGS 84, the city center is at E 344,248 m and N 6,790,532 m.

What is the magnetic declination in Anchorage?

Today the magnetic declination in Anchorage is 13.97° E, changing by −16.9′ 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 Anchorage?

The geoid undulation (EGM2008) in Anchorage is N = 8.05 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Anchorage

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

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