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.

MGRS → Lat/Long→

Turn an MGRS grid reference into decimal latitude and longitude, plus the UTM coordinate.

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.