Tools / Coordinates / UTM Converter
UTM ↔ Lat/Long Converter
Convert between Universal Transverse Mercator (UTM) coordinates and latitude/longitude. Uses the WGS84 ellipsoid.
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About UTM
The Universal Transverse Mercator (UTM) system divides the Earth into 60 zones, each 6 degrees of longitude wide. Each zone uses a transverse Mercator projection with a scale factor of 0.9996 at the central meridian.
Key Facts
- Zones: 1-60 (each 6° wide)
- Valid latitudes: 84°N to 80°S
- False easting: 500,000 m
- False northing (S): 10,000,000 m
- Scale at CM: 0.9996
Common California Zones
- Zone 10: 126°W - 120°W (NorCal coast, Bay Area)
- Zone 11: 120°W - 114°W (Central/SoCal, Inland)