You can add coordinate grids to the map on gaiagps.com via the Overlays menu.
The available options are:
- Latitude/Longitude - Decimal Degrees
- Latitude/Longitude - Degrees Minutes Seconds
- UTM - Universal Transverse Mercator
- MGRS - Military Grid Reference System
1. Click the Overlays menu in the left sidebar.
2. Click Grid Overlay and choose a coordinate grid.
3. For example, picking UTM will show a UTM grid on the map, like this:
4. To remove the grid, choose "None" from the Grid Overlay options.