Health experts commonly recommend eight 8-ounce glasses, which equals about 2 liters, or half a gallon a day. This is called the 8×8 rule and is very easy to remember.
How many water bottles do you need to drink to make a gallon?
Water bottles can vary in size, but the total number of bottles making up 128 ounces can fit in a gallon. For example, if the water bottle is 16 ounces in size, then 8 of these make up a gallon. If the water bottle is 32 ounces, then only 4 of these make up a gallon.
Is 1 gallon of water a day too much?
For most people, there is really no limit for daily water intake and a gallon a day is not harmful. It's also worth noting that although it's very rare, drinking too much water too quickly can be dangerous. “Hyponatremia is when the sodium levels in your body drop too low because of too much water,” explains Czerwony.Feb 2, 2021