Updated:  21 May 2015

Redfearn's Formula, Grid to Geographic

Given Easting, Northing and Zone for a Universal Transverse Mercator (UTM) projection, calculate Latitude, Longitude, Grid convergence and Point Scale Factor.

Point Name: eg Buninyong (Optional - for display only)
Easting: eg 228854.052
Northing: eg 5828259.038
Zone: eg 55


[back to top]

For more information contact: geodesy@ga.gov.au
Unless otherwise noted, all Geoscience Australia material on this website is licensed under the Creative Commons Attribution 3.0 Australia Licence.