what is general capacity of stomach in average adult?
<answer> 1 to 2 liters of food and liquid after a meal. <context> Regular Stomach Capacity. As your teenager grows, the size of his stomach inches toward the size of the average adult stomach, which can comfortably hold 1 to 2 liters of food and liquid after a meal.Try to encourage your teen to eat within these limits – although taming that teenage hunger may be easier said than done.s your teenager grows, the size of his stomach inches toward the size of the average adult stomach, which can comfortably hold 1 to 2 liters of food and liquid after a meal. Try to encourage your teen to eat within these limits – although taming that teenage hunger may be easier said than done.