Perth: coordinates, UTM zone and magnetic declination
Survey data sheet for Perth (Australia) 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 Perth in?
Perth is in UTM zone 50S, with central meridian 117° E. In WGS 84, the city center is at E 392,394 m and N 6,464,292 m.
What is the magnetic declination in Perth?
Today the magnetic declination in Perth is 1.48° W, changing by +2.5′ 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 Perth?
The geoid undulation (EGM2008) in Perth is N = −32.85 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Perth
- Adelaide 2,131 km
- Melbourne 2,721 km
- Canberra 3,088 km
- Sydney 3,290 km
- Central Coast 3,311 km
- Newcastle 3,356 km
- Brisbane 3,606 km
- Logan City 3,608 km
- All cities in Australia
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS