Thoothukudi: coordinates, UTM zone and magnetic declination
Survey data sheet for Thoothukudi (India) 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 Thoothukudi in?
Thoothukudi is in UTM zone 44N, with central meridian 81° E. In WGS 84, the city center is at E 184,689 m and N 970,334 m.
What is the magnetic declination in Thoothukudi?
Today the magnetic declination in Thoothukudi is 1.68° W, changing by +2.0′ 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 Thoothukudi?
The geoid undulation (EGM2008) in Thoothukudi is N = −97.85 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Thoothukudi
- Tirunelveli 50 km
- Madurai 128 km
- Thiruvananthapuram 134 km
- Theni 156 km
- Kollam 171 km
- Dindigul 179 km
- Tiruchirappalli 236 km
- Kochi 243 km
- All cities in India
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS