Lat Lon Coordinate Converter
A precise lat/long converter for GIS professionals and developers, enabling quick format changes between decimal degrees and DMS to support data integration and validation.

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About This Tool
The tool converts geographic coordinates between decimal degrees (DD) and degrees-minutes-seconds (DMS). It supports accurate parse, sign handling, and range validation for latitude and longitude, making it suitable for GIS data pipelines and mapping tasks. Conceptually, the engine normalizes input, performs bidirectional math, and emits consistently formatted outputs. The primary users are GIS analysts, developers integrating geodata, and logistics planners who require interoperable coordinates across systems. Unique value lies in strict range checks, configurable precision, and optional batch processing for multiple coordinates in one pass. Core features include DD↔DMS conversion, hemisphere-aware sign preservation, and precision control to align with database or mapping standards. Use cases include converting coordinates from field notes to database-ready DD values, or translating DD data from a sensor feed to DMS for legacy maps. The tool emphasizes data integrity, reproducibility, and compatibility with global datasets, without performing map projections or datum shifts. Practical benefits include faster data integration, reduced manual conversion errors, and audit-friendly outputs that are easy to copy, export, or automate in ETL workflows.
How to Use
Step 1: Provide latitude and longitude values in the chosen input_format (DD or DMS).
Step 2: Select output_format (DD or DMS) and set the desired precision.
Step 3: Run the conversion to generate the converted coordinates.
Step 4: Review results for hemisphere signs and range validity.
Step 5: Copy or export the converted coordinates for use in data workflows.

FAQs/Additional Resources
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Can I convert multiple coordinates at once?
How does precision affect results?
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