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Water Bottle Math › 750 mL

How Many 750 mL Water Bottles Are in a Gallon?

The quick answer, a chart for every common water goal, and a calculator for yours.

750 mL (25.4 oz)5.05 bottlesmake one US gallon (128 fl oz) · about 5

How many 750 mL bottles for common goals

GoalBottlesIn plain words
a gallon5.05 bottlesabout 5
half a gallon2.52 bottlesabout 2½
64 oz2.52 bottlesabout 2½
100 oz3.94 bottlesjust under 4
2 liters2.67 bottlesabout 2¾
3 liters4 bottlesexactly 4
8 cups (8 oz each)2.52 bottlesabout 2½
120 oz4.73 bottlesabout 4¾
Your own goal

How the maths works

Divide your goal in fluid ounces by the bottle size. One US gallon is 128 fl oz and one liter is 33.81 fl oz; a 750 mL bottle holds 25.36 fl oz. Round up if you want to be sure you hit the goal.

Questions

How many 750 mL water bottles make a gallon?

5.05 bottles. A US gallon is 128 fl oz, and 128 ÷ 25.36 = 5.05.

How many 750 mL bottles are 64 oz?

2.52 bottles.

How much water should I drink a day?

It varies with body size, activity, climate and health. The US National Academies suggest about 3.7 liters of total water a day for men and 2.7 for women, including water from food. Your doctor can advise you.