when full, the average adult stomach can hold approximately
Your stomach can go from holding 50 milliliters (that's less than a shot glass) when empty to up to four liters (a little more than a gallon of milk) when full. But you'll usually top out at 1 to 1.5 liters, the point at which most people are comfortably satisfied. âOnce you consume more than this, you really start stretching the stomach wall, which causes discomfort and distention that could last a few hours,â says Ed Levine, M.D., a Connecticut-based gastroenterologist.