EPSG:CODE

Lisbon 1890 to WGS 84 (1)

EPSG:4666 → EPSG:4326

Coordinate Reference Systems

Source CRS
EPSG:4666
Lisbon 1890
Geographic 2D
Target CRS
EPSG:4326
WGS 84
Geographic 2D

Transform Coordinates

Remarks

May be taken as a transformation from Lisbon 1890 to ETRS89 - see tfm code 5039.

Frequently Asked Questions

How do I convert Lisbon 1890 to WGS 84 coordinates?

Use the coordinate transformation tool above to convert Lisbon 1890 (EPSG:4666) to WGS 84 (EPSG:4326). Enter your source coordinates and click Transform. This uses the Geocentric translations (geog2D domain) method with 5m accuracy.

How do I transform Lisbon 1890 to WGS 84 using Proj4js?

Use proj4.defs to define both EPSG:4666 and EPSG:4326, then call proj4(source, target, [x, y]) to convert coordinates programmatically.

What is the accuracy of the Lisbon 1890 to WGS 84 transformation?

This transformation (EPSG:1986) has an accuracy of 5m using the Geocentric translations (geog2D domain) method. Area of use: Portugal - mainland - onshore.