How Much is One Full Glass of Water? Unpacking the Hydration Myth
                                
                                
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                                    4 min read                                
                            
                                While the popular "8x8 rule" suggests drinking eight 8-ounce glasses of water a day, this is a general guideline and not a scientific standard. The actual volume of one full glass of water depends on the specific glassware used, as glass sizes vary significantly.