The Acaia Lunar’s weighing pan is 10.5 x 10.5 cm, but it comes with a mini heat resistant pad. If you use the pad, you can weigh a standard portafilter. Some smaller cups can fit twice on the Lunar.
If you need to weigh two cappuccino milk course cups, you need to purchase our portafilter plate. The wider plate option will also fit a portafilter if you prefer more area.