Online coordinates converter

The tool-online.com/conversion-coo... web page provides an online coordinates converter allowing transformation between different geodetic systems and projections - WGS84 (GPS), Lambert, UTM, NAD,...-
Examples of use:
• convert GPS (WGS84) in NAD83, ED50, OSGB, GDA,...
• convert utm in degree minute second
• conversion between DATUMs with possibility to apply corrections for some countries grids; NTF, RGF, ED50, ETRS89, NAD27, NAD83, Goa, AGD, DHDN(Gauss-Kruger), OSGB(British National Grid); ...

[@mounirneddi8150]

MERCI

[@hassiabdelbasset1900]

Thanks you

[@tooryalayayoubi.276]

Thanks for your Video, Could you please perform it in excel and please write the equation.