How to resize the widgets in the dashboard?
It is currently not possible to resize Dashboard widgets yourself.

However, the developer of the widget can make their widget resizable. This Apple Developer Documentation page describes the process by which developers can make their widget resizable, however it is uncommon for a widget to be made resizable:


  Try to limit using live-resizing to cases where it is absolutely necessary. If your content can be shown in a fixed, simple user interface, do so.