Convert MGRS to Lat/Long

Paste an MGRS (Military Grid Reference System) reference to get the decimal latitude and longitude, plus the UTM coordinate. The parser accepts references at any precision, from a 100km square to a full 1m location, with or without spaces.

Enter an MGRS reference above to see the decimal coordinates.

How to use it

  1. Paste an MGRS reference such as 30U XC 99316 10163.
  2. The decimal latitude/longitude and UTM coordinate appear instantly.
  3. Copy the result with the Copy button.

Frequently asked questions

What does an MGRS reference look like?

A Grid Zone Designator (such as 30U), a 100km square ID (two letters), then an even number of digits split between easting and northing. Spaces are optional.

Is this converter free?

Yes. No login, no fee, no upload. The conversion runs entirely in your browser.


Need the reverse? Convert lat/long to MGRS. Or see the grid on a map with the free MGRS grid overlay tool. New to grid references? Read the map grid references guide.