Lat Long to UTM Converter

What Is the Lat Long to UTM Converter?

The Lat Long to UTM Converter converts geographic coordinates between decimal latitude/longitude (WGS84) and UTM (Universal Transverse Mercator) easting, northing, and zone. UTM is widely used in surveying, GIS mapping, hiking GPS devices, and engineering projects because it expresses positions as flat grid coordinates in meters.

This tool supports bidirectional conversion: enter latitude and longitude to get UTM coordinates, or enter UTM easting, northing, zone number, and zone letter to recover latitude and longitude.

How to Use This Converter

1. Select direction: Lat/Long to UTM or UTM to Lat/Long.
2. Enter coordinates: Provide decimal degrees or UTM grid values.
3. UTM reverse mode: Include zone number (1-60), zone letter, and hemisphere.
4. Read output: Results show easting, northing, zone, and converted coordinates.

Understanding UTM Coordinates

UTM divides Earth into 60 vertical zones, each spanning $6°$ of longitude. Each zone has a central meridian and uses meters for easting (relative to a false easting of 500,000 m) and northing (relative to the equator, with a 10,000,000 m offset for the southern hemisphere).

A complete UTM reference looks like: Zone 18T, Easting 583960 m, Northing 4507523 m. The zone letter indicates the latitude band from C through X (excluding I and O).

Example: New York City

Decimal coordinates $40.7128° N$, $74.0060° W$ convert to approximately Zone 18T with easting near 583,960 m and northing near 4,507,523 m on the WGS84 datum.

Related tools: Coordinates Converter for DMS and decimal degree formats.