Pre-launch app — sign up now and save 50%

Sign up
MGRS

Using MGRS in the Field with Your Phone

Practical with MGRS in the field: reading off your position, passing on coordinates, working offline and sharing waypoints — with MilMap on your phone.

Updated: July 9, 2026

MGRS truly comes into its own in the field. Where a paper map with an MGRS grid and a coordinate ruler was traditionally the tool, today a phone with the right app does that work faster and with fewer errors.

Your own position in MGRS

It starts with knowing where you are. An app reads your GPS position and shows it directly as an MGRS coordinate — no ruler, no interpolation. You read the code off the screen and pass it along over the radio.

Passing on and receiving coordinates

When you receive an MGRS code, you type it in and the position appears on the map. That way you work with a team on the same reference, without everyone having to calculate by hand. Passing it along briefly and unambiguously is exactly what MGRS was made for.

Working without reception

In the field there is often no internet. Offline maps are then indispensable: the map, the MGRS grid and your waypoints keep working without a connection. Your GPS does not need a network to determine your position.

Waypoints, routes and markings

Besides individual coordinates, in the field you want to plan routes, mark reference points and designate areas. With MGRS as the underlay, everything stays unambiguous to name and share — whether you are laying out a route or marking an area.

MilMap as a field tool

MilMap combines this in one app: your live position in MGRS, entering and sharing coordinates, offline maps, and waypoints and routes with MGRS coordinates. You set which format you see per map, and exports automatically contain the MGRS coordinate for each point — ready for use in the field.

Use MGRS in the field with MilMap — free to start.

Try it yourself: GPS ↔ MGRS

The exact same conversion used in the MilMap app.

Result

Enter a valid latitude and longitude

Examples

What it looks like in MilMap

TIME--:--:--LOCATIONAmsterdamMGRS

The cursor info bar in MilMap shows the live MGRS coordinate of your position or cursor.

  • Search directly for an MGRS coordinate in the map search bar
  • Waypoints and route card tables show every position as MGRS
  • Share an MGRS position via chat, 9-liner or MEDEVAC report
Get started in MilMap

Frequently asked questions

Does MGRS also work without internet?

Yes. Your GPS determines your position without a network, and with offline maps in MilMap the map, the MGRS grid and your waypoints stay available without a connection.

Can I share an MGRS coordinate with my team?

Yes. You read your position off as MGRS and pass it along, or you share waypoints and maps that carry the MGRS coordinates, so everyone uses the same reference.

Do I still need a paper map and coordinate ruler?

For backup a paper map remains wise, but for quick, error-free MGRS determination in the field an app like MilMap does the calculating and reading work for you.