EPSG:CODE

Lisbon 1890 to ETRS89 (1)

EPSG:4666 → EPSG:4258

Coordinate Reference Systems

Source CRS
EPSG:4666
Lisbon 1890
Geographic 2D
Target CRS
EPSG:4258
ETRS89
Geographic 2D

Transform Coordinates

Remarks

Parameter values taken from Lisbon 1890 to WGS 84 (1) (tfm code 1986) assuming that ETRS89 is equivalent to WGS 84 within the accuracy of the transformation.

Frequently Asked Questions

How do I convert Lisbon 1890 to ETRS89 coordinates?

Use the coordinate transformation tool above to convert Lisbon 1890 (EPSG:4666) to ETRS89 (EPSG:4258). 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 ETRS89 using Proj4js?

Use proj4.defs to define both EPSG:4666 and EPSG:4258, then call proj4(source, target, [x, y]) to convert coordinates programmatically.

What is the accuracy of the Lisbon 1890 to ETRS89 transformation?

This transformation (EPSG:5039) has an accuracy of 5m using the Geocentric translations (geog2D domain) method. Area of use: Portugal - mainland - onshore.