UTM to Lat/Long Converter

Convert UTM easting and northing back to WGS84 latitude and longitude. Perfect for survey data, GIS exports, drone maps, and Google Maps coordinate lookup.

Share this tool
Quick Load:

Converting...

Enter a UTM zone, hemisphere, easting, and northing to convert back to latitude and longitude.

What Is a UTM to Lat/Long Converter?

A UTM to Lat/Long Converter reverses the Universal Transverse Mercator projection. It takes a UTM zone, hemisphere, easting, and northing in meters and returns WGS84 latitude and longitude in decimal degrees. This is the standard coordinate form used by GPS receivers, web maps, mobile apps, and Google Maps.

Survey crews, GIS analysts, drone operators, and field engineers often receive data in UTM because it measures ground distances in meters. When that data needs to be plotted on a web map, shared with a colleague, or imported into a GPS app, it first has to be converted back to lat/long. This tool performs that conversion using the WGS84 ellipsoid for accurate global results.

Diagram showing a UTM easting and northing coordinate being converted back to WGS84 latitude and longitude
UTM stores positions as meters inside a numbered zone; this converter reverses the projection to decimal latitude and longitude.

How to Convert UTM Easting and Northing to Latitude and Longitude

The converter first checks that the zone number, hemisphere, easting, and northing are inside normal UTM ranges. It then runs the inverse Transverse Mercator projection for the WGS84 ellipsoid. The central meridian of the selected zone is removed, the false easting of 500,000 meters is subtracted, and the southern hemisphere false northing of 10,000,000 meters is removed when needed.

A UTM coordinate is only meaningful when it includes its zone and hemisphere. Two different zones can contain the same easting and northing values, so always keep the full zone identifier with any projected coordinate. The EPSG code captures the same information in a single standardized number.

Why Survey and GIS Data Uses UTM Coordinates

UTM coordinates are easier to work with than lat/long for local measurements because easting and northing are in meters. A difference of 100 meters in northing is exactly 100 meters on the ground, while a difference of 0.001 degrees in latitude varies with location. That makes UTM the preferred format for engineering drawings, construction layouts, drone photogrammetry, and survey control networks.

UTM Zone, Hemisphere, and EPSG Codes

HemisphereEPSG patternExample
Northern32600 + zoneZone 18N = EPSG:32618
Southern32700 + zoneZone 56S = EPSG:32756

Using Converted Coordinates in Google Maps

Google Maps accepts coordinates as decimal degrees in the format latitude,longitude. After conversion, click the Open in Google Maps button or copy the decimal degrees line directly into the search bar. This is useful for quickly checking a survey point, sharing a field location, or verifying that a UTM coordinate converts to the expected place on the ground.

UTM InputLat/Long Output
Zone 18N, 583959 E, 4507351 N40.7128° N, 74.0060° W
Zone 30N, 699316 E, 5710164 N51.5074° N, 0.1278° W
Zone 56S, 334369 E, 6250948 N33.8688° S, 151.2093° E

Accuracy and Limits of UTM Inverse Conversion

This tool uses the WGS84 ellipsoid and standard UTM inverse formulas, which are suitable for GIS, mapping, and field-coordinate workflows. UTM is not defined above 84 degrees north or below 80 degrees south; polar regions use Universal Polar Stereographic coordinates instead. For cadastral or legal-boundary work, confirm the datum, epoch, and local survey standard before relying on any converted coordinate.

UTM to Lat/Long FAQ

How do I convert UTM to latitude and longitude?

Enter the UTM zone number, hemisphere, easting in meters, and northing in meters, then submit. The converter returns WGS84 latitude and longitude along with DMS and a Google Maps link.

What is the difference between UTM and WGS84?

WGS84 is a geographic coordinate system using latitude and longitude. UTM is a projected coordinate system that divides the Earth into 60 zones and uses easting and northing in meters.

Why does UTM need a zone number and hemisphere?

The zone number identifies which six-degree longitude strip the coordinate belongs to, and the hemisphere tells the converter whether to subtract the 10,000,000 meter southern false northing.

Can I use UTM coordinates in Google Maps?

Google Maps uses decimal degrees, so you need to convert UTM coordinates first. This tool provides a direct Open in Google Maps link after conversion.

What are easting and northing in UTM?

Easting is the X distance in meters from the zone's central meridian, with a false easting of 500,000 m. Northing is the Y distance in meters from the equator or the 10,000,000 m false northing in the southern hemisphere.

How accurate is UTM to lat/long conversion?

Using the WGS84 ellipsoid, the conversion is accurate to well within a meter for normal UTM regions. Accuracy depends on the precision of the input easting and northing values.