This article will show you how to resize a widget on your dashboard.
On Android:
In order to resize a widget, long-press on its name until a menu appears, then tap Resize.
Resizing is done by dragging one of the four sides to make it bigger or smaller.
On iOS:
Tap the name of the widget to bring up the menu for it, then select Edit widget to go to the Create/Edit Widget page.
At the bottom of the page, select either Slim, Medium, or Wide. The height of a widget cannot be adjusted.