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Convert ETRS89 to ETRS89 + DKMSL(2023) depth

Convert coordinates from ETRS89 (EPSG:4937) to ETRS89 + DKMSL(2023) depth (EPSG:10555) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-4937-to-epsg-10555

Official EPSG transformation from ETRS89 to ETRS89 + DKMSL(2023) depth

The EPSG Geodetic Parameter Dataset defines 1 transformation between ETRS89 (EPSG:4937) and ETRS89 + DKMSL(2023) depth (EPSG:10555). Its parameters, accuracy and area of use are listed below.

ETRS89 to ETRS89 + DKMSL(2023) depth (1)

EPSG:10562±0.1 m
Method:
Geog3D to Geog2D+Depth (gtg)
Area of use:
Denmark - offshore
Scope:
Reversible hydroid model transformation.

Grid file: dkmsl_2023.tif

Reversible alternative to ETRS89 to DKMSL(2023) depth (1) (code 10561). Replaces ETRS89 to ETRS89 + DKMSL(2022) depth (1) (code 10558).

Convert EPSG:4937 to EPSG:10555 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4937", "EPSG:10555", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4937 — ETRS89

geographic system using latitude, longitude and ellipsoidal height · Area of use: Europe - ETRF by country

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:4937 →

Target: EPSG:10555 — ETRS89 + DKMSL(2023) depth

compound horizontal + vertical reference system · Area of use: Denmark - offshore

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +geoidgrids=dk_sdfi_dkmsl_2023.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crs
More about EPSG:10555 →

Frequently asked questions

How accurate is converting ETRS89 to ETRS89 + DKMSL(2023) depth?
The most accurate official EPSG transformation between these systems is accurate to about ±0.1 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation (including the grid-shift files listed below) 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:10555 to EPSG:4937 →