MapTools - Your source for tools to plot UTM, MGRS, and latitude longitude coordinates from your GPS.

Using the UTM/MGRS map coordinate system

These pages are a step-by-step guide to using UTM / MGRS coordinates.

A Quick Guide to Using UTM Coordinates

Getting to Know the Metric System

Shorthand for UTM Coordinates

Using a UTM grid overlay tool

UTM Exercise

Why Use UTM Coordinates

More details about the UTM coordinate system

UTM Coordinates on USGS topographic maps

Using a UTM Corner Ruler

Map Datums


The information presented in these pages is available in a printed booklet titled
"Using your GPS with the UTM Map Coordinate System"

The booklet is a handy reference and many of the detailed graphics
reproduce much better on paper than they do on the web.