Selecting the right enamel mug involves considering both its size and capacity. A common enamel mug is roughly 3 to 4 inches in diameter, with a depth that can vary from 4 to 6 inches. When it comes to capacity, most enamel mugs hold between 10 and 16 ounces of liquid. To best choose an enamel mug, consider how you'll be using it. If you need a mu