Capacity: Standard espresso coffee cup is 50 ml. 2 Cup/3.3 oz/100 ml;4 Cup/6.6 oz/200 ml;6 Cup/10 oz/300 ml; 9 Cup/15 oz/450 ml; 12 Cup/20 oz/600 ml. Fill the lower part of the espresso maker with water, put the ground coffee into the funnel, put the lid on, and put the espresso maker on the stovetop to brew for 3-6 minutes.