Geodetic tools

Coordinate conversion to S-JTSK

WGS84/ETRS89 → S-JTSK Křovák (EPSG:5514) right in your browser — coordinates never leave it.

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Latitude Longitude

Approximate conversion (~1 m, PROJ-validated) — use the official ČÚZK transformation for cadastral work. Bpv heights and the inverse direction are coming.