PHPCoord is a PHP library to aid in handling coordinates. It can convert coordinates for a point from one system to another and also calculate distance between points.

• WGS84 (GPS)
• OSGB36 (Great Britain)
• NAD27 and NAD83 (North America)
• UTM (Universal Transverse Mercator)
• ED50 and ETRS89 (Europe)
• GDA94 and GDA2020 (Australia)
• NZGD49 and NZGD2000 (New Zealand)

Documentation and usage examples are available here.

If you use Composer, just add php-coord/php-coord to your project's composer.json file:

    composer require php-coord/php-coord

Otherwise, the library is PSR-4 compliant, so will work with the autoloader of your choice.