Convert cups (us customary) to fluid ounces (us) for cooking measurements.
Definition: A US customary cup is a volume unit equal to about 236.588 milliliters.
History/origin: The cup was standardized in the United States as cookbooks and measuring sets replaced rough household approximations.
Current use: US cups are central to American recipes for liquids, flour, sugar, and many household ingredients.
Definition: The US fluid ounce measures liquid volume rather than weight. One US fl oz is approximately 29.57 mL.
History/origin: Liquid ounces were separated from weight ounces as measuring systems developed, giving US kitchens a volume unit for drinks and recipe liquids.
Current use: Fl oz is common on milk, juice, cream, stock, soda, water bottles, cocktail recipes, measuring cups, and liquid ingredient labels in the United States.
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