Is 2 Cups of Water 16 Oz? Understanding Liquid vs. Dry Measurements
                                
                                
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                                    3 min read                                
                            
                                In the US customary system, one standard measuring cup contains exactly 8 fluid ounces of liquid. This means that, for a liquid like water, the answer to the question, "is 2 cups of water 16 oz?" is a straightforward and definite yes.