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Convert SRGI2013 to SRGI2013 + INAGeoid2020 v1 height

Convert coordinates from SRGI2013 (EPSG:9469) to SRGI2013 + INAGeoid2020 v1 height (EPSG:9529) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-9469-to-epsg-9529

Official EPSG transformation from SRGI2013 to SRGI2013 + INAGeoid2020 v1 height

The EPSG Geodetic Parameter Dataset defines 1 transformation between SRGI2013 (EPSG:9469) and SRGI2013 + INAGeoid2020 v1 height (EPSG:9529). Its parameters, accuracy and area of use are listed below.

SRGI2013 to SRGI2013 + INAGeoid2020 v1 height (1)

EPSG:9629±0 m
Method:
Geog3D to Geog2D+GravityRelatedHeight (gtx)
Area of use:
Indonesia
Scope:
Reversible geoid model transformation.

Grid file: INAGEOID2020v1.gtx

Reversible alternative to SRGI2013 to INAGeoid2020 v1 height (1) (code 9305). Before 2022-07, file name was INAGEOID20.gtx.

Convert EPSG:9469 to EPSG:9529 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:9469", "EPSG:9529", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:9469 — SRGI2013

geographic system using latitude, longitude and ellipsoidal height · Area of use: Indonesia

+proj=longlat +ellps=WGS84 +no_defs +type=crs
More about EPSG:9469 →

Target: EPSG:9529 — SRGI2013 + INAGeoid2020 v1 height

compound horizontal + vertical reference system · Area of use: Indonesia

+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs
More about EPSG:9529 →

Frequently asked questions

How accurate is converting SRGI2013 to SRGI2013 + INAGeoid2020 v1 height?
The most accurate official EPSG transformation between these systems is accurate to about ±0 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:9529 to EPSG:9469 →