Note: GCJ-02 and BD-09 are only applicable within Mainland China. Outside China, WGS-84 is usually used.
About Coordinate System Converter
Convert coordinates between WGS-84, GCJ-02, and BD-09. Essential for developers working with maps in China.
How to use Coordinate System Converter
Convert between coordinate systems easily: 1. Select your source and target coordinate systems (e.g., WGS-84, GCJ-02, BD-09). 2. Input your latitude and longitude coordinates. 3. Click 'Convert' to see the transformation results.
How it works
This tool converts map coordinates by applying specific mathematical transformation algorithms locally in your browser. It maps positions between different geographic reference systems like WGS-84, GCJ-02, and BD-09 without server-side data processing, ensuring your location data is private.