the `` cup '' be not really a cup - more like 3\/4 of a cup , so if you really need 4 cup , you may want a larger unit . nevertheless , this be a great rice cooker . it make flawless rice with almost no effort . it be perfect for two people - make enough for a meal with leftovers for a second meal . would probably be ok for 3-4 people if you want to make a fresh batch with every meal . extremely easy to clean , too . we be very happy with it and use it all the time .