NOAA surveyors Charles Geoghegan and Benjamin Erickson conducting a geodetic surveying project in Colorado in the summer of 2017.

A Tale of Two Feet

Since 1959, land surveyors and other geospatial professionals have had two standards to measure the length of a foot — the U.S. survey foot and the international foot — both supported by the National Geodetic Survey and the National Institute of Standards and Technology. And they’re not exactly equal. Find out why NOAA and NIST are retiring the U.S. survey foot, and standardizing on the international foot.

Go There