EnviroAutomate
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Coordinate Conversion validation

Free batch coordinate conversion between latitude/longitude and MGA grid, GDA94 and GDA2020, with grid convergence, point scale factor and CSV export.

Scenarios
3
Values agreeing
14
Values differing
0
Validated against
PROJ / pyproj

Open Coordinate Conversion

Conversions are compared against PROJ, the library behind most geographic information systems, using the same EPSG codes.

Scenarios

GDA2020 latitude and longitude to MGA2020 zone 55

Typical use

Input

3 points

xvalue

Settings: inputKind = geographic, inputDatum = gda2020, outputDatum = gda2020, forcedZone = 55

Against PROJ / pyproj (PROJ 9.8.1)

ValuePROJ / pyprojEnviroAutomateDifferenceAgreement bandVerdict
point.0.easting point.0.easting273741.297571192273741.297571188653.32e-9within 0.001Agree
point.0.northing point.0.northing5796489.7787425575796489.7787425569.31e-10within 0.001Agree
point.1.easting point.1.easting-845268.226024861-845268.22602486453.49e-9within 0.000001 relativeAgree
point.1.northing point.1.northing7319739.9435567057319739.94355670559.31e-10within 0.000001 relativeAgree
point.2.easting point.2.easting-2504381.563626285-2504381.563626294.66e-9within 0.000001 relativeAgree
point.2.northing point.2.northing6004817.3281404926004817.3281404892.79e-9within 0.000001 relativeAgree

GDA94 latitude and longitude to MGA94 zone 50

Typical use

Input

1 points

xvalue

Settings: inputKind = geographic, inputDatum = gda94, outputDatum = gda94, forcedZone = 50

Against PROJ / pyproj (PROJ 9.8.1)

ValuePROJ / pyprojEnviroAutomateDifferenceAgreement bandVerdict
point.0.easting point.0.easting392307.202713491392307.202713489771.22e-9within 0.001Agree
point.0.northing point.0.northing6464484.2358689336464484.2358689329.31e-10within 0.001Agree

The same points forced into the neighbouring zone

Boundary case

Input

3 points

xvalue

Settings: inputKind = geographic, inputDatum = gda2020, outputDatum = gda2020, forcedZone = 56

Against PROJ / pyproj (PROJ 9.8.1)

ValuePROJ / pyprojEnviroAutomateDifferenceAgreement bandVerdict
point.0.easting point.0.easting-254059.446359661-254059.44635966144.07e-10within 0.001Agree
point.0.northing point.0.northing5764768.2488906045764768.2488906039.31e-10within 0.001Agree
point.1.easting point.1.easting-1473966.207180706-1473966.2071807051.16e-9within 0.000001 relativeAgree
point.1.northing point.1.northing7246668.4252080097246668.4252080089.31e-10within 0.000001 relativeAgree
point.2.easting point.2.easting-3111566.951641709-3111566.95164171233.26e-9within 0.000001 relativeAgree
point.2.northing point.2.northing5786261.1793171955786261.1793171949.31e-10within 0.000001 relativeAgree

Evidence generated 2026-08-26 from a full comparison run against the versions named above.