How many 16.9 fluid ounce bottles of water make up a gallon?
1 gallon is equivalent to 128 oz.
Thus, you will need about eight bottles of 16.9 fluid ounce of water to make up a gallon.
For easy fluid conversion, use this handy volume calculator with additional tables and formulas.
Tips! Learn How to Convert Metric Units of Measurement from Dummies.com.