Coordinate converter
Lat/lon ↔ LGRS ↔ Artemis Condensed Coordinates. Runs entirely in your browser using the same tested engine as the map. Accepts one value per line for batch conversion.
Result
Enter a coordinate to convert.
Latitude north-positive, longitude east-positive (−180…180). ACC input uses the cell-prefixed form, e.g. 22G CH D10 M07. LGRS per USGS TM 11-E1; ACC per the NASA LGRS overview (2025).