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Convert NAD83(2011) to NAD83(2011) + NAVD88 height

Convert coordinates from NAD83(2011) (EPSG:6319) to NAD83(2011) + NAVD88 height (EPSG:6349) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-6319-to-epsg-6349

Official EPSG transformations from NAD83(2011) to NAD83(2011) + NAVD88 height

The EPSG Geodetic Parameter Dataset defines 2 transformations between NAD83(2011) (EPSG:6319) and NAD83(2011) + NAVD88 height (EPSG:6349). Each applies to a specific area — pick the one whose area of use covers your data.

NAD83(2011) to NAD83(2011) + NAVD88 height (3)

EPSG:9595±0.015 mBest accuracy
Method:
Geog3D to Geog2D+GravityRelatedHeight (NGS bin)
Area of use:
USA - CONUS - onshore
Scope:
Reversible geoid model transformation.

Grid file: g2018u0.bin

Reversible alternative to NAD83(2011) to NAVD88 height (3) (code 9229). Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.

NAD83(2011) to NAD83(2011) + NAVD88 height (2)

EPSG:9596±0.02 m
Method:
Geog3D to Geog2D+GravityRelatedHeight (NGS bin)
Area of use:
USA - Alaska
Scope:
Reversible geoid model transformation.

Grid file: g2012ba0.bin

Reversible alternative to NAD83(2011) to NAVD88 height (2) (code 6327).

Convert EPSG:6319 to EPSG:6349 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:6319", "EPSG:6349", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:6319 — NAD83(2011)

geographic system using latitude, longitude and ellipsoidal height · Area of use: USA - CONUS and Alaska; PRVI

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:6319 →

Target: EPSG:6349 — NAD83(2011) + NAVD88 height

compound horizontal + vertical reference system · Area of use: USA - CONUS and Alaska - onshore

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +vunits=m +no_defs +type=crs
More about EPSG:6349 →

Frequently asked questions

How accurate is converting NAD83(2011) to NAD83(2011) + NAVD88 height?
The most accurate official EPSG transformation between these systems is accurate to about ±0.015 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:6349 to EPSG:6319 →