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Convert Old Hawaiian to NAD83(HARN)

Convert coordinates from Old Hawaiian (EPSG:4135) to NAD83(HARN) (EPSG:4152) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-4135-to-epsg-4152

Official EPSG transformation from Old Hawaiian to NAD83(HARN)

The EPSG Geodetic Parameter Dataset defines 1 transformation between Old Hawaiian (EPSG:4135) and NAD83(HARN) (EPSG:4152). Its parameters, accuracy and area of use are listed below.

Old Hawaiian to NAD83(HARN) (1)

EPSG:8508±0.3 m
Method:
Concatenated operation
Area of use:
USA - Hawaii - onshore
Scope:
Transformation of coordinates at 1m level of accuracy.
  1. Old Hawaiian to NAD83 (1) (null)
  2. NAD83 to NAD83(HARN) (31) (null)

Uses NADCON method which expects longitudes positive west; EPSG GeogCRSs Old Hawaiian (code 4135), NAD83 (code 4269) and NAD83(HARN) have longitudes positive east. May be taken as approximate transformation Old Hawaiin to WGS 84 - see code 8582.

Convert EPSG:4135 to EPSG:4152 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4135", "EPSG:4152", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4135 — Old Hawaiian

geographic system using latitude and longitude on an ellipsoid · Area of use: USA - Hawaii - onshore

+proj=longlat +ellps=clrk66 +towgs84=61,-285,-181,0,0,0,0 +no_defs +type=crs
More about EPSG:4135 →

Target: EPSG:4152 — NAD83(HARN)

geographic system using latitude and longitude on an ellipsoid · Area of use: USA - HARN

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:4152 →

Frequently asked questions

How accurate is converting Old Hawaiian to NAD83(HARN)?
The most accurate official EPSG transformation between these systems is accurate to about ±0.3 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official 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:4152 to EPSG:4135 →