PX to CM is a free Chrome extension designed to facilitate the conversion between pixels and centimeters, two commonly used CSS units. Users can easily convert from px to cm and vice versa using an intuitive interface. The extension features a modern design that enhances accessibility and usability, making it suitable for both casual users and professionals.

Key functionalities include the ability to view and copy calculation results, support for light and dark themes, and sidebar integration. Additionally, users can utilize keyboard hotkeys for quicker calculations and customize rounding precision settings for their results. The straightforward operation requires users to click the extension icon, enter the desired units, and hit the "Calculate" button for immediate results.