Keep in mind that coffee-maker cups are the equal of 5 ounces, or an old-fashioned teacup that isn't crammed for the brim, leaving room for milk. Most coffee mugs in use nowadays hold upward of 8 ounces. Hence, an average 12-cup coffee maker brews adequate coffee for approximately seven mugs https://barnsfoods.com/discover-the-versatility-of-ninja-coffee-makers/