Online Converter: UTM to Lat Long
Convert UTM easting/northing to latitude/longitude (WGS84). Supports single points or bulk lines. Runs fully offline in your browser.
zone(±hem) easting northing, zone hem easting northing, or just easting northing (uses defaults above).How to use
Input formats supported (one per line): 31N 448251 5411932, 31 N 448251 5411932, 31 448251 5411932 (uses default hemisphere), or 448251 5411932 (uses default zone + hemisphere).
- Set the default zone/hemisphere (used when a line doesn’t include them).
- Paste one or more UTM lines into the input box.
- Pick output format and precision, then click Convert.
FAQ
What is UTM and what does this tool convert?
UTM is a grid-based coordinate system using zones plus easting/northing. This tool converts UTM (WGS84) to latitude/longitude in decimal degrees.
Which input format should I use?
Use one line per point like 31N 448251 5411932 or 31 N 448251 5411932. If you paste only easting northing, the default zone/hemisphere will be used.
Do I need to include the hemisphere (N/S)?
It’s recommended. If it’s missing, the tool uses the default hemisphere setting above.
Why does southern hemisphere use a huge northing value?
UTM applies a 10,000,000 m “false northing” in the southern hemisphere to keep northing positive. Select S so the tool subtracts it correctly.
Is this the same “UTM” as UTM URL parameters in marketing?
No—this tool is for UTM map coordinates (Universal Transverse Mercator). For URL tracking parameters, use the UTM Parameter Checker.
What datum does the conversion use?
WGS84. If your source is a different datum (e.g., NAD27/NAD83 variants), results can be slightly off.
How accurate are the results?
The math is standard UTM inverse projection; accuracy is suitable for typical GIS use when the input datum is WGS84 and the zone/hemisphere are correct.
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