UTM Zone Finder from Coordinates
Finds the UTM zone, band and central meridian for a latitude and longitude.
Enter Values
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How to use this calculator
- Enter a latitude and longitude.
- Press Convert.
- Read the UTM zone, band letter and central meridian.
How it works
Works out the UTM zone from the longitude (zone = ⌊(longitude + 180) ÷ 6⌋ + 1) and the latitude band letter from the latitude.
Worked example
Perth. −31.95, 115.86 → zone 50, central meridian 117°, southern hemisphere.
Frequently asked questions
How wide is a UTM zone?
6° of longitude. There are 60 zones around the globe.
Related tools
- Lat/Long to UTM Converter (WGS84)
- UTM to Lat/Long Converter
- Grid Convergence Angle Calculator
- Coordinate Precision Estimator (Decimal Places to Metres)
- Datum and Projection Job Sheet
- Geocentric vs Geodetic Latitude Converter
Explore more in Surveying, Coordinates, GIS & CAD.
Cite this tool
Zerdly. (2026). UTM Zone Finder from Coordinates. Retrieved from https://www.zerdly.com/tools/utm-zone-finder-from-coordinates/
Tip: Enter any known values to calculate the remaining results.
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