Geodetic Calculation Methods

Online calculations and downloadable spreadsheets to perform geodetic calculations

Detailed information about the spreadsheets and formulae used in all calculations listed below can be found in the Geocentric Datum of Australia Technical Manual.

Note: Read the documentation describing the distance calculation algorithms to decide which method best suits your requirements.

Distance calculations

Calculate Great Circle distances using latitude and longitude.

Calculate bearing and distance from latitude and longitude

Use Vincenty's formulae to calculate distance and bearing from latitude and longitude and vice versa.