GPX to FIT Converter
Convert GPX routes to FIT format with customizable speed settings for Garmin devices
Your Data is Secure
Your data is processed securely on our servers and is never stored. The conversion happens instantly and all files are deleted immediately after processing.
How to Convert GPX to FIT
Follow these simple steps to convert your files quickly and easily
Upload Your GPX File
Click the upload area above or drag and drop your GPX route file. Select a .gpx file from your GPS device or route planning software.
Set Speed & Convert
Enter a default speed (km/h or mph) for the route if your GPX file doesn't contain speed data, then click convert to process the file.
Download Your FIT File
Once conversion is complete, download your new FIT file. Transfer it to your Garmin device to follow the route during workouts.
How GPX to FIT Conversion Works
Learn more about the converter and its creator

Jonas
I'm a software developer and sports enthusiast. I created these converters to help athletes manage their workout data efficiently.
Understanding GPX to FIT Conversion
Converting GPX (GPS Exchange Format) files to FIT (Flexible and Interoperable Data Transfer) format allows you to import route data into modern fitness devices and platforms. This conversion transforms your gpx file into fit files that can be used with Garmin devices and other fitness platforms.
This converter helps you transform static GPS routes into activity-based fit files. Whether you have gpx files exported from mapping software or gpx route files from planning tools, this conversion makes your routes compatible with modern fitness devices.
The conversion process enables you to use your gpx routes on Garmin devices and other fitness platforms that require fit format. Converting your gpx file to fit files opens up new possibilities for route planning and activity tracking.
How It Works
The conversion process involves several steps:
- Reading the gpx file and extracting GPS coordinates
- Calculating distances between track points
- Applying the specified average speed to generate timing data
- Processing the data into fit format
- Creating properly formatted fit files with all required fields
- Adding necessary metadata for Garmin device compatibility
Conversion Steps
Our converter reads your gpx file and processes all the route data. The conversion transforms gpx format data into fit format, ensuring compatibility with Garmin devices and other fitness platforms.
During processing, the converter extracts GPS coordinates from your gpx file and creates fit files that contain all the necessary route information. This processing ensures that your converted fit files work seamlessly with Garmin devices.
Speed Settings
Since gpx files typically don't contain speed data, you'll need to specify an average speed for the activity during conversion. This average speed is important because:
- Fit files require timing data for each point
- Average speed helps calculate realistic timestamps
- Speed data makes the activity more realistic
- Proper timing data makes the activity more realistic
- Accurate speed improves compatibility with fitness platforms
- The speed you specify determines how the route timing is calculated
Why Average Speed Matters
The average speed you provide determines how the converter calculates timing for your route. This speed data is essential because gpx files don't include speed information, so the converter uses your average speed input to generate realistic timestamps.
The speed you specify affects the overall timing of your converted fit files. Choosing an appropriate average speed ensures that your fit files accurately represent the route timing when used on Garmin devices.
Data Conversion Details
The converter preserves and generates the following data from your gpx file:
- GPS coordinates including latitude and longitude values
- GPS coordinates stored as track points in fit format
- GPS track information from your gpx file
- Elevation data (if available in your gpx file)
- Calculated speed data based on your average speed input
- Speed information stored in fit format
- Distance calculations between track points
- Generated timestamps for each point
- Activity type metadata for fit format compatibility
- Route information stored in fit files
- All route data preserved during conversion
GPS Track Conversion
Your gpx file contains GPS track data that is converted to fit format during the conversion process. The GPS track from your gpx file is preserved in the fit files, ensuring accurate route representation.
The converter processes all GPS track points from your gpx file and stores them in fit format. This ensures that your GPS track data is maintained during the conversion process.
Data Preservation
The conversion process ensures that all GPS coordinates from your original gpx file are preserved in the fit format. This data includes all track points with their GPS coordinates, ensuring your route remains accurate when converted to fit files.
The format conversion maintains the integrity of your route data while transforming it from gpx format to fit format. All GPS coordinates and route information are stored in the fit files created during conversion. The data stored in your gpx file is carefully preserved in the fit format.
File Upload and Download
You simply upload your gpx file to the converter. After processing, you can download your converted fit files. The upload process is straightforward, and you can download multiple fit files if needed.
Export and Transfer
Once the conversion is complete, you can export your fit files and transfer them to your Garmin device. The export process creates fit files that are ready for upload to Garmin Connect or direct transfer to your Garmin device.
You can download your converted fit files immediately after conversion. These files can then be exported to Garmin Connect or uploaded directly to your Garmin device for use during your activities.
Garmin Device Compatibility
The resulting fit files are designed to work seamlessly with Garmin devices. Garmin devices require fit format for route files, making this conversion essential for using your routes on Garmin devices.
Garmin Connect Integration
Fit files created through conversion can be uploaded to Garmin Connect and synced to your Garmin device. Garmin Connect accepts fit format files, allowing you to transfer your converted routes directly to your Garmin device.
Whether you're using a Garmin device for cycling, running, or other activities, converting your gpx routes to fit format ensures compatibility. Garmin devices support fit format natively, making it the preferred format for route files on Garmin devices.
GPS Device Compatibility
While many GPS devices support gpx format, modern Garmin devices prefer fit format for route files. This conversion ensures your routes work with the latest GPS devices and Garmin devices.
GPS devices from Garmin are optimized for fit format, making this conversion essential for route compatibility. Whether you're using a cycling GPS device or a running GPS device, fit format provides the best compatibility.
GPX Route Conversion
Converting gpx routes to fit format enables you to use your route planning data on modern fitness devices. This process transforms your gpx route file into fit files that contain all the route information.
Route Planning Benefits
Gpx routes exported from mapping software or route planning tools can be converted to fit format for use on Garmin devices. This conversion process takes your gpx route file and creates fit files that preserve all route data.
Whether you have a single gpx route file or multiple gpx routes, this conversion makes them compatible with Garmin devices and other fitness platforms. The route information stored in your gpx file is preserved in the fit format during conversion.
File Format Comparison
Understanding the differences between fit format, gpx format, and tcx files helps you choose the right conversion option. This conversion transforms gpx format data into fit format.
GPX vs FIT Format
Gpx format is widely used for storing GPS route data and is compatible with many mapping applications. Fit format, on the other hand, is specifically designed for fitness devices and contains more detailed activity data.
This conversion moves from gpx format to fit format, which offers better compatibility with Garmin devices. Fit format files can store more detailed route information than gpx format, making them ideal for fitness device use.
TCX Files Comparison
While tcx files are another format used for fitness data, fit format has become the standard for Garmin devices. This conversion ensures your routes work with the latest Garmin devices, which prefer fit format over tcx files.
Fit files offer advantages over tcx files in terms of device compatibility and data storage. This conversion creates files that work seamlessly with modern Garmin devices.
Common Use Cases
This conversion is particularly useful for:
- Converting planned routes to fit files for Garmin devices
- Importing gpx routes into Garmin devices via fit format
- Creating structured workouts from gpx route files
- Sharing routes in fit format compatible with fitness platforms
- Converting historical GPS data stored in gpx files to modern fit format
- Using gpx routes exported from mapping software on Garmin devices
- Transferring gpx route files to fit format for device compatibility
Route Planning Workflow
Many users create routes using mapping software that exports gpx files. Converting these gpx routes to fit format allows you to use them on Garmin devices. Whether you're planning cycling routes or running routes, this conversion makes your route planning compatible with Garmin devices.
This conversion capability means you can plan routes in any software that supports gpx format, then convert them to fit format for use on your Garmin device. This workflow makes route planning flexible while ensuring compatibility with Garmin devices.
Pro Tip
When choosing an average speed for conversion, consider the terrain and typical speeds for your activity type. The average speed you select determines how the route timing is calculated in your fit files.
For cycling routes on flat terrain, an average speed of 20-25 km/h might be realistic, while for running routes, 10-12 km/h is more typical. This speed data ensures your converted fit files accurately represent the route timing when used on Garmin devices.
Remember that the speed you specify affects the overall timing stored in your fit files. Choosing an appropriate average speed ensures your routes work correctly on Garmin devices and Garmin Connect.
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