Datum / CRS Transformation Tool
Pick a source & target CRS (datum/projection), enter coordinates, and transform.
Output will appear here.
Browser version uses proj4js. For NADCON/NTv2/NADCON5 grid‑shift accuracy, run server‑side PROJ.

Delve Deeper into RTK
Start your 14-day free trial today!
Go beyond our free, browser‑based tools and delve into our 14-day free trial of the full platform of rtkUSA. Built by mappers for real‑world fieldwork, QA, and clean handoffs.