Convert EPSG:23328 to EPSG:4267

Online coordinate converter from NAD83(2011) / ICS83-Robinson (ftUS) (EPSG:23328) to NAD27 (EPSG:4267). Enter your source coordinates and get the result instantly. All transformations happen in your browser — no data is sent to any server.

From

Input (x, y)

Output (lon, lat (decimal degrees))

Direct link to this transformation: epsgtransform.com/transform/epsg-23328-to-epsg-4267

Convert EPSG:23328 to EPSG:4267 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:23328", "EPSG:4267", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:23328 — NAD83(2011) / ICS83-Robinson (ftUS)

projected system measured in linear units (typically metres) · Area of use: USA - Illinois - Clark, Crawford, Cumberland, Jasper

+proj=lcc +lat_1=39.1 +lat_0=39.1 +lon_0=-88 +k_0=1.000017 +x_0=2649936.499873 +y_0=840030.48006096 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs

More about EPSG:23328 →

Target: EPSG:4267 — NAD27

geographic system using latitude and longitude on an ellipsoid · Area of use: North America - NAD27

+proj=longlat +datum=NAD27 +no_defs +type=crs

More about EPSG:4267 →

Frequently asked questions

How accurate is converting NAD83(2011) / ICS83-Robinson (ftUS) to NAD27?: Projection-only conversions are accurate to floating-point precision. If a datum shift is involved, browser-based tools use Helmert parameters which are accurate to roughly 1-5 m; for surveying-grade work apply the official grid-shift transformation 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:4267 to EPSG:23328 →