Columbus: coordinates, UTM zone and magnetic declination
Survey data sheet for Columbus (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 Columbus in?
Columbus is in UTM zone 17N, with central meridian 81° W. In WGS 84, the city center is at E 329,281 m and N 4,425,362 m.
What is the magnetic declination in Columbus?
Today the magnetic declination in Columbus is 7.24° W, changing by −1.1′ 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 Columbus?
The geoid undulation (EGM2008) in Columbus is N = −34.52 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Columbus
- Cincinnati 160 km
- Meads 174 km
- Cleveland 203 km
- Lexington-Fayette 247 km
- Lexington 254 km
- Pittsburgh 261 km
- Detroit 264 km
- Indianapolis 270 km
- All cities in United States
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS