How many 16 oz bottles of water do I have to drink to equal a gallon? A Simple Guide
                                
                                
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                                    3 min read                                
                            
                                A US gallon contains exactly 128 fluid ounces. To figure out how many 16 oz bottles of water do I have to drink to equal a gallon, you only need a simple division problem. This calculation is crucial for anyone monitoring their daily fluid intake or working with different measurement systems.