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Convert Corrego Alegre 1961 to SIRGAS 2000

Convert coordinates from Corrego Alegre 1961 (EPSG:5524) to SIRGAS 2000 (EPSG:4674) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-5524-to-epsg-4674

Official EPSG transformation from Corrego Alegre 1961 to SIRGAS 2000

The EPSG Geodetic Parameter Dataset defines 1 transformation between Corrego Alegre 1961 (EPSG:5524) and SIRGAS 2000 (EPSG:4674). Its parameters, accuracy and area of use are listed below.

Corrego Alegre 1961 to SIRGAS 2000 (1)

EPSG:5525±2 m
Method:
NTv2
Area of use:
Brazil - Corrego Alegre 1961
Scope:
Transformation of coordinates at 2m level of accuracy.

Grid file: CA61_003.gsb

May be used as transformation between Corrego Alegre 1961 and WGS 84 - see tfm code 5540.

Convert EPSG:5524 to EPSG:4674 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:5524", "EPSG:4674", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:5524 — Corrego Alegre 1961

geographic system using latitude and longitude on an ellipsoid · Area of use: Brazil - Corrego Alegre 1961

+proj=longlat +ellps=intl +no_defs +type=crs
More about EPSG:5524 →

Target: EPSG:4674 — SIRGAS 2000

geographic system using latitude and longitude on an ellipsoid · Area of use: Latin America - SIRGAS 2000 by country

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:4674 →

Frequently asked questions

How accurate is converting Corrego Alegre 1961 to SIRGAS 2000?
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 (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:4674 to EPSG:5524 →