London: coordinates, UTM zone and magnetic declination
Survey data sheet for London (Canada) 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 London in?
London is in UTM zone 17N, with central meridian 81° W. In WGS 84, the city center is at E 481,000 m and N 4,758,997 m.
What is the magnetic declination in London?
Today the magnetic declination in London is 8.85° W, changing by +0.8′ 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 London?
The geoid undulation (EGM2008) in London is N = −36.05 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near London
- Hamilton 116 km
- Brampton 142 km
- Mississauga 144 km
- Etobicoke 153 km
- Toronto 169 km
- Vaughan 169 km
- Markham 187 km
- Ottawa 517 km
- All cities in Canada
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS