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Convert Lisbon (Lisbon) to WGS 84

Convert coordinates from Lisbon (Lisbon) (EPSG:4803) to WGS 84 (EPSG:4326) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-4803-to-epsg-4326

Official EPSG transformation from Lisbon (Lisbon) to WGS 84

The EPSG Geodetic Parameter Dataset defines 1 transformation between Lisbon (Lisbon) (EPSG:4803) and WGS 84 (EPSG:4326). Its parameters, accuracy and area of use are listed below.

Lisbon (Lisbon) to WGS 84 (2)

EPSG:5838±2 m
Method:
Concatenated operation
Area of use:
Portugal - mainland - onshore
Scope:
Transformation of coordinates at 2m level of accuracy.
  1. Lisbon (Lisbon) to Lisbon (1) (null)
  2. Lisbon to WGS 84 (4) (null)

Convert EPSG:4803 to EPSG:4326 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4803", "EPSG:4326", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4803Lisbon (Lisbon)

geographic system using latitude and longitude on an ellipsoid · Area of use: Portugal - mainland - onshore

+proj=longlat +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +no_defs +type=crs
More about EPSG:4803

Target: EPSG:4326WGS 84

geographic system using latitude and longitude on an ellipsoid · Area of use: World (by country)

+proj=longlat +datum=WGS84 +no_defs +type=crs
More about EPSG:4326

Frequently asked questions

How accurate is converting Lisbon (Lisbon) to WGS 84?
The most accurate official EPSG transformation between these systems is accurate to about ±2 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation in a desktop GIS.
Does my data leave the browser when I use this converter?
No. All coordinate transformations are computed locally in your browser using proj4js. The coordinates you enter are never transmitted to any server.
Need the reverse? Convert EPSG:4326 to EPSG:4803