Tucson: coordinates, UTM zone and magnetic declination
Survey data sheet for Tucson (United States) 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 Tucson in?
Tucson is in UTM zone 12N, with central meridian 111° W. In WGS 84, the city center is at E 506,928 m and N 3,565,017 m.
What is the magnetic declination in Tucson?
Today the magnetic declination in Tucson is 9.09° E, changing by −4.4′ 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 Tucson?
The geoid undulation (EGM2008) in Tucson is N = −29.61 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Tucson
- Mesa 158 km
- Phoenix 173 km
- El Paso 422 km
- Albuquerque 508 km
- Henderson 565 km
- Las Vegas 586 km
- San Diego 588 km
- Riverside 633 km
- All cities in United States
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS