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Stockton: coordinates, UTM zone and magnetic declination

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

Latitude37°57′27.7″ N
Longitude121°17′26.8″ W
Decimal degrees37.95770, -121.29078
UTM zone10N · MC 123° W
UTM (WGS 84)E 650,157 · N 4,202,500
Scale factor (k)0.999878
Grid convergence+1.0515°
Magnetic declination (today)12.68° E · −5.4′/year
Geoid undulation (EGM2008)N = −31.51 m
Approximate elevation4 m
Time zoneAmerica/Los_Angeles (UTC−7)
Population305,658

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
STFU STFU00USAPalo Alto, United States98 km
QUIN QUIN00USAQuincy, United States226 km
COSO COSO00USACoso Junction, United States379 km

Tools to use here

FAQ

What UTM zone is Stockton in?

Stockton is in UTM zone 10N, with central meridian 123° W. In WGS 84, the city center is at E 650,157 m and N 4,202,500 m.

What is the magnetic declination in Stockton?

Today the magnetic declination in Stockton is 12.68° E, changing by −5.4′ 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 Stockton?

The geoid undulation (EGM2008) in Stockton is N = −31.51 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Stockton

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

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