Butuan: coordinates, UTM zone and magnetic declination
Survey data sheet for Butuan (Philippines) 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 Butuan in?
Butuan is in UTM zone 51N, with central meridian 123° E. In WGS 84, the city center is at E 779,705 m and N 990,199 m.
What is the magnetic declination in Butuan?
Today the magnetic declination in Butuan is 1.81° W, changing by −3.4′ 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 Butuan?
The geoid undulation (EGM2008) in Butuan is N = 68.28 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Butuan
- Cagayan de Oro 111 km
- Iligan City 148 km
- Iligan 164 km
- Davao City 209 km
- Budta 229 km
- Malingao 231 km
- Lapu-Lapu City 231 km
- Mandaue City 234 km
- All cities in Philippines
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS