How Many Glasses in a Gallon Calculator

Find out how many glasses are in a gallon/s of milk.

Enter gallons of milk and glass size (ounces).





16 glasses

A gallon of milk contains 128 fluid ounces, so the number of glasses depends on the size of the glass.

For a 8-ounce glass, 1 gallon(s) of milk yields about 16 glasses.

Here's the conversion:
• Know the total ounces in 1 gallon(s): 1 × 128 = 128 fluid ounces.
• Determine the glass size: 8 ounces.
• Divide total ounces by glass size: 128 ÷ 8 = 16 glasses.

Therefore, 1 gallon(s) of milk contains about 16 standard 8-ounce glasses.

Results are for reference only.

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