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DGN95 / SRGI2013 to WGS84 Converter

Technical Summary: Convert Indonesian DGN95 and SRGI2013 geocentric datums to standard WGS84 applying EPSG:9472 coordinate frame rotations.

Interactive Transformation Tool

Input Local coordinates (Latitude / Longitude) to mathematically derive WGS84 outputs using EPSG:9472 (DGN95 to SRGI2013) Helmert approximations.



WGS84 Latitude: -
WGS84 Longitude: -
Professional Risk Notice

Using the wrong datum or applying coordinates without grid-to-ground correction can cause 1-400 metre positional errors —a leading cause of surveying negligence claims and contract disputes.

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Geodetic Shift Tolerances

While DGN95 is often assumed within ±1m of WGS84, high-precision engineering requires chaining through SRGI2013 using a 7-parameter shift to achieve ~0.2m mean residual accuracy.

Civil & Legal Implications

Badan Informasi Geospasial (BIG) explicitly treats older datums as obsolete. Misusing the 'DGN95≁EGS84' assumption on offshore concessions can produce positioning errors larger than contractual tolerances.

Real-World Infrastructure Risk

Offshore LNG terminals and deep-water pipelines in Indonesia require sub-meter alignment. Relying on a 0-parameter shift can skew underwater asset positioning by over a meter.

Verify Global Datums

Always validate your site data before mobilizing construction or legal teams. Use our core converters to rule out fundamental geodetic errors:

Authority Frequently Asked Questions

Are DGN95 and WGS84 exactly the same?

No. While they are very close natively, tectonic plate movement and datum realization differences mean they diverge by up to 1 meter. Authoritative Indonesian mapping requires transformation to SRGI2013 for legal validity.

Warning: Verify Your Calculation

Coordinate accuracy varies by device and datum. Do not use these results for legal or construction purposes without checking:

GPS Accuracy Alert

Your phone's GPS can be off by 30 meters. This can cause critical errors in your data.

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Datum Shift Risk

Using the wrong coordinate system (e.g. WGS84 vs NAD83) creates a permanent 1-meter offset.

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