Free Map & Coordinate Converters
Quick, free converters that run entirely in your browser. No login, no upload, no watermarks. Pick a converter below.
Coordinate converters
Lat/Long ⇄ MGRS→
Turn decimal latitude and longitude into an MGRS grid reference, from 100km down to 1m precision, or decode one back to coordinates and UTM.
Lat/Long ⇄ GARS→
Turn decimal latitude and longitude into a GARS reference like 430LE37 at all three levels, or decode one back to its cell.
Lat/Long & UTM ⇄ Maidenhead→
Turn decimal latitude and longitude or a UTM reference into a Maidenhead grid locator like JN58td, or decode one back.
Lat/Long ⇄ Plus Code→
Turn decimal latitude and longitude into a Plus Code like 8FVC9G8F+6X, or decode a full or short code back to its cell.
File converters
GPX → KML→
Convert GPS waypoints, routes, and tracks into a KML file for Google Earth and Google Maps.
KML → GPX→
Convert Google Earth placemarks, paths, and tracks into a GPX file for your GPS device.
Need more than a one-off conversion? Open the full map tool to overlay grids, import GPX/KML, measure, annotate, and export. Or read the guides on map grid references and GPX and KML. Or browse every free tool and guide in one place.