Batch DMS to Decimal Degrees (DD) Converter

Convert batch DMS to Decimal Degrees (DD) online. Paste, convert, label, export as TXT, CSV, KML, GPX, GeoJSON, WKT and more.

Welcome to the ultimate tool for converting multiple DMS (Degrees, Minutes, Seconds) coordinates into Decimal Degrees (DD) quickly and accurately. Whether you're handling a handful of coordinates or hundreds, this Batch DMS to DD Converter will simplify your geospatial tasks in just a few clicks.

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Start Converting Your DMS Coordinates Now!

Paste your list, click Convert, customize your output, and export it the way you need – fast, reliable, and professional!

Paste DMS Coordinates

Enter multiple DMS coordinates (e.g. 37°42′45.95″ N, 122°29′9.79″ W):

Decimal Degrees Output

Choose Export File Format

Select Content to Export: -- Select Content -- Decimal Degrees (DD) Only DMS Input + Decimal Degrees (DD) Output Select Export Format: -- Select Format -- TXT (.txt) CSV (.csv) KML (Google Earth) (.kml) GeoJSON (.geojson) GPX (GPS format) (.gpx) WKT (.wkt)

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✨ How It Works

• Paste Your DMS Coordinates:
  Input your coordinates in the format like:
  37°42′45.95″ N, 122°29′9.79″ W
• Batch Convert:
  Click on "Convert Batch DMS → DD" to instantly transform all your pasted DMS values into clean, standard Decimal Degree outputs.
• Output Management:
  
  • Add Labels: Automatically format results with easy-to-read labels such as Lat: and Lon:.
  • Remove Labels: Strip labels for a clean, pure numerical output ready for GIS software, GPS devices, or spreadsheets.
  • Copy Output: Copy the final results instantly to your clipboard for quick usage.
• Export Your Results:
  Choose exactly what you want to export:
  • Content to Export: Only Decimal Degree (DD) Output or Both DMS Input and DD Output together.
  • Export Format Options:
    • TXT (.txt) – Simple plain text for any editor.
    • CSV (.csv) – Structured for spreadsheets like Excel or Google Sheets.
    • KML (.kml) – Perfect for Google Earth visualization.
    • GPX (.gpx) – Standard format for GPS devices and apps.
    • GeoJSON (.geojson) – Modern format for GIS platforms like QGIS, ArcGIS, or web mapping.
    • WKT (.wkt) – Well-known text format for spatial databases and PostGIS.
• Download File:
  Once selected, click the ⬇️ Download File button to get your data immediately.

📍 Why Convert DMS to Decimal Degrees?

Decimal Degrees (DD) format is essential for:

• GIS mapping and spatial analysis
• GPS navigation and routing
• Remote sensing and environmental studies
• Scientific fieldwork and geolocation-based research
• Mobile applications using location data
• Uploading coordinates into mapping services like Google Maps or OpenStreetMap (OSM)

Unlike DMS format, DD allows easier calculations, database storage, and compatibility with most modern mapping tools.

🛠️ Supported Features and Formats

• ✅ Instant DMS to DD conversion
• ✅ Flexible input: single or multi-line batch
• ✅ Optional labeling for cleaner outputs
• ✅ Multiple export formats for GIS, GPS, and mapping needs
• ✅ Built-in validation and warning messages for incorrect entries
• ✅ Optimized for both desktop and mobile use
• ✅ Lightweight, fast, and privacy-friendly (no server-side processing)

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🖋️ Written and developed by Jamal Chaaouan | GeoJamal Team 🌍 Specialized in GIS, Remote Sensing, and Geospatial Data Solutions