Coordinate tools
Map Coordinate System Converter
Use Map Coordinate System Converter online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.
Your data is processed only in your browser
Features and usage
Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.
Available options
- Source coordinate system (WGS84, GCJ02, BD09, EPSG3857)
- Target coordinate system (WGS84, GCJ02, BD09, EPSG3857)
Scope and limitations
Each row: longitude, latitude. EPSG3857 uses X,Y in meters. Uses gcoord's approximate map conversion without calling map APIs. Not for surveying control points or legal boundaries.
Example input
116.397389,39.908722