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Markham: coordinates, UTM zone and magnetic declination

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

Latitude43°52′00.6″ N
Longitude79°15′58.7″ W
Decimal degrees43.86682, -79.26630
UTM zone17N · MC 81° W
UTM (WGS 84)E 639,309 · N 4,858,542
Scale factor (k)0.999839
Grid convergence+1.2016°
Magnetic declination (today)10.24° W · +1.9′/year
Geoid undulation (EGM2008)N = −36.98 m
Approximate elevation168 m
Time zoneAmerica/Toronto (UTC−4)
Population338,503

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
ALGO ALGO00CANAlgonquin Park, Canada251 km
CAGS CAGS00CANGatineau, Canada333 km
NRC1 NRC100CANOttawa, Canada338 km

Tools to use here

FAQ

What UTM zone is Markham in?

Markham is in UTM zone 17N, with central meridian 81° W. In WGS 84, the city center is at E 639,309 m and N 4,858,542 m.

What is the magnetic declination in Markham?

Today the magnetic declination in Markham is 10.24° W, changing by +1.9′ 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 Markham?

The geoid undulation (EGM2008) in Markham is N = −36.98 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Markham

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

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