Nad27 Converter

Nad27 Converter FAQ

How do i convert from nad27 to nad83?

1. Conversions between NAD27 and NAD83. This converts between NAD27 and NAD83 (1986) using the NADCON transformation. Newer realizations of NAD83, such as NAD83 (CORS96) and NAD83 (2011) can differ from NAD83 (1986) by a meter or so. This conversion uses the Esri transformation NAD_1927_To_NAD_1983_NADCON.

What does nad27 stand for?

The North American Datum of 1927 (NAD27) is one of the main three geodetic datums used in North America. NAD27 uses all horizontal geodetic surveys collected at this time using a least-square adjustment.

What is the difference between nad83wgs84 and nad27 coordinates?

For convenience, a link is included to the National Geodetic Survey's NADCON program, which allows conversions between the NAD83 / WGS84 coordinate system and the older NAD27 coordinate system. NAD27 coordinates are presently used for broadcast authorizations

How big is the difference between utm and nad 27?

Changes to UTM values are generally larger, around 200 meters, and changes for other coordinate systems are different. Why are the NAD 83 position values so far from the NAD 27 values?