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Get Geographic $1.00 / 1,000 calls

USNG Coordinates

What this tool does

This tool converts standard latitude and longitude coordinates into a United States National Grid (USNG) reference. This grid system is an alphanumeric format often used in mapping and navigation to pinpoint a location.

Please note that the platform calculates this conversion locally. While it attempts to be accurate, the result is an approximation and may not be precise enough for critical legal boundary work or survey-grade measurements.

Common uses

  • Converting GPS coordinates into a grid reference for use with USNG-capable mapping software.
  • Preparing location data for reporting or documentation that requires USNG formatting.

Input data

Parameter Required Example Description
coordinates Yes 41.38879,2.15899 Enter the latitude and longitude as a single line of text, separated by a comma (e.g., '41.38879,2.15899'). This is required; if left empty or formatted incorrectly, the tool will return an empty result.

Output data

Field Description
result The converted USNG alphanumeric grid reference (e.g., '18S UJ 23371 06519'). If the input coordinates are invalid, this will be empty.
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