For 6 Muffins you will need a 2 inch sized 6 cup muffin pan and cupcake liners. Bottom: 2 inches/ 5cm, Top: 2.5 inches/ 6cm, Height: 1.25 inches/ 3cm. The muffin pans with removal bottoms are great. You can also use US standard-sized muffin pans, with a 2.9-inch diameter cup size.