// Surveyor Tools

Cotabato City: coordinates, UTM zone and magnetic declination

Survey data sheet for Cotabato City (Philippines) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude7°13′25.0″ N
Longitude124°14′47.0″ E
Decimal degrees7.22361, 124.24639
UTM zone51N · MC 123° E
UTM (WGS 84)E 637,609 · N 798,657
Scale factor (k)0.999834
Grid convergence+0.1567°
Magnetic declination (today)1.49° W · −3.1′/year
Geoid undulation (EGM2008)N = 71.90 m
Approximate elevation7 m
Time zoneAsia/Manila (UTC+8)
Population383,383

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)

StationLocationDistance
PGEN PGEN00PHLGeneral Santos City, Philippines162 km
BTNG BTNG00IDNBitung, Indonesia652 km
PPPC PPPC00PHLPuerto Princesa City, Philippines669 km

Tools to use here

FAQ

What UTM zone is Cotabato City in?

Cotabato City is in UTM zone 51N, with central meridian 123° E. In WGS 84, the city center is at E 637,609 m and N 798,657 m.

What is the magnetic declination in Cotabato City?

Today the magnetic declination in Cotabato City is 1.49° W, changing by −3.1′ 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 Cotabato City?

The geoid undulation (EGM2008) in Cotabato City is N = 71.90 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Cotabato City

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

Get the latest news

New tools, channel videos and surveying content. No spam.