Before you shop for your next microwave, here’s a takeaway from our tests: Bigger can be better. Of the 15 microwaves we recommend, all have a claimed capacity of 1.2 cubic feet or more. That ...

A new countertop microwave can cost anywhere from $100 to $600, and built-in or over-the-range microwaves can cost even more, so it's important to make sure it is running properly.