Coordinate transformations to NAD83(HARN)

The EPSG Geodetic Parameter Dataset defines official transformations from 6 coordinate reference systems to NAD83(HARN) (EPSG:4152). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• American Samoa 1962 → NAD83(HARN)±5 m
• Guam 1963 → NAD83(HARN)±5 m
• NAD27 → NAD83(HARN)±0.2 m
• NAD83 → NAD83(HARN)±0.05 m
• Old Hawaiian → NAD83(HARN)±0.3 m
• Puerto Rico → NAD83(HARN)±0.08 m