// Surveyor Tools

Belfast: coordinates, UTM zone and magnetic declination

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

Latitude54°35′48.6″ N
Longitude5°55′31.5″ W
Decimal degrees54.59682, -5.92541
UTM zone30N · MC 3° W
UTM (WGS 84)E 311,021 · N 6,053,861
Scale factor (k)1.000038
Grid convergence−2.3852°
Magnetic declination (today)1.20° W · +12.1′/year
Geoid undulation (EGM2008)N = 56.45 m
Approximate elevation7 m
Time zoneEurope/London (UTC+1)
Population348,005

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
MORP MORP00GBRMorpeth, United Kingdom280 km
OAK1 OAK100GBROakhanger, United Kingdom513 km
OAK2 OAK200GBROakhanger, United Kingdom513 km

Tools to use here

FAQ

What UTM zone is Belfast in?

Belfast is in UTM zone 30N, with central meridian 3° W. In WGS 84, the city center is at E 311,021 m and N 6,053,861 m.

What is the magnetic declination in Belfast?

Today the magnetic declination in Belfast is 1.20° W, changing by +12.1′ 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 Belfast?

The geoid undulation (EGM2008) in Belfast is N = 56.45 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Belfast

© 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.