Indianapolis: coordinates, UTM zone and magnetic declination
Survey data sheet for Indianapolis (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 Indianapolis in?
Indianapolis is in UTM zone 16N, with central meridian 87° W. In WGS 84, the city center is at E 572,112 m and N 4,402,389 m.
What is the magnetic declination in Indianapolis?
Today the magnetic declination in Indianapolis is 5.03° W, changing by −2.1′ 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 Indianapolis?
The geoid undulation (EGM2008) in Indianapolis is N = −34.14 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Indianapolis
- Cincinnati 158 km
- Louisville 172 km
- Lexington-Fayette 241 km
- Lexington 246 km
- Chicago 263 km
- Columbus 270 km
- Meads 334 km
- Detroit 386 km
- All cities in United States
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS