EPSG:CODE

NAD27 to NAD83 (1)

EPSG:4267 → EPSG:4269

Coordinate Reference Systems

Source CRS
EPSG:4267
NAD27
Geographic 2D
Target CRS
EPSG:4269
NAD83
Geographic 2D

Remarks

Uses NADCON method which expects longitudes positive west; EPSG GeogCRS NAD27 (code 4267) and NAD83 (code 4269) have longitudes positive east. For application in Gulf of Mexico refer to IOGP report 373-26.

Frequently Asked Questions

What is the accuracy of the NAD27 to NAD83 transformation?

This transformation (EPSG:1241) has an accuracy of 0.15m using the NADCON method. Area of use: USA - CONUS including EEZ.