WGS84 to SIRGAS2000 Converter
About WGS84 Coordinate System
WGS84 (World Geodetic System 1984) is the global standard geodetic reference system used by GPS. It defines an Earth-centered, Earth-fixed coordinate system and geodetic datum.
Developed by the U.S. Department of Defense in 1984, WGS84 has undergone several refinements (WGS84(G730), WGS84(G873), WGS84(G1150), WGS84(G1762)) to improve accuracy through GPS satellite observations.
WGS84 is the default coordinate system for GPS receivers worldwide. It is used in aviation, maritime navigation, Google Maps, OpenStreetMap, GIS applications, and scientific research.
WGS84 is the native coordinate system of the Global Positioning System (GPS), ensuring direct compatibility with all GPS receivers and satellite navigation systems worldwide.
As the most widely adopted geodetic datum, WGS84 provides a consistent global reference frame for mapping, surveying, and geospatial data exchange across international boundaries.
With continuous refinements, WGS84 achieves centimeter-level accuracy globally, making it suitable for high-precision applications like surveying, drone navigation, and scientific research.
About SIRGAS2000 Coordinate System
SIRGAS2000 (Sistema de Referencia Geocéntrico para las Américas 2000) is the official geodetic datum for South America, aligned with ITRF2000 at epoch 2000.0. It uses the GRS80 ellipsoid and is functionally equivalent to WGS84 for most applications. It is the mandatory system in Brazil and widely adopted across the continent.
SIRGAS2000 was established in 2000 as the unified geodetic reference system for South America, replacing older local datums. It was developed through international collaboration and provides a continent-wide modern reference aligned with GPS/GNSS.
SIRGAS2000 is the official geodetic system for Brazil and many South American countries. It is used for all government mapping, cadastral surveys, and GIS applications throughout the continent.
SIRGAS2000 is the official geodetic datum for South America, used across the continent for government mapping and GIS.
SIRGAS2000 is aligned with ITRF2000 at epoch 2000.0, ensuring compatibility with modern GPS/GNSS positioning.
WGS84 to SIRGAS2000 Conversion Guide
// WGS84 → SIRGAS2000 (effectively identical)
// Both systems use essentially the same reference ellipsoid
// No transformation is needed for most practical applications
// At sub-meter accuracy level:
// SIRGAS2000 uses the same GRS80 ellipsoid as WGS84
// Difference typically < 1 meter
WGS84 and SIRGAS2000 are essentially identical for most practical applications. Both use the GRS80 ellipsoid (a=6378137m) with a negligible flattening difference. The coordinate difference is typically less than 1 meter.
- Enter your WGS84 coordinates in the input field (latitude, longitude, one pair per line)
- Click the Convert button to transform coordinates from WGS84 to SIRGAS2000
- Review the converted SIRGAS2000 coordinates in the output field
- Copy the results or save them as an XLSX file for further use
- No transformation is needed - WGS84 and SIRGAS2000 are practically equivalent for most applications
- For batch conversions, enter one coordinate pair per line
- Verify a sample of converted coordinates on your target platform
- All conversions are performed client-side for complete data privacy