The cup (US) is a standard unit of volume used in American cooking and baking. It's part of the U.S. customary system and is commonly abbreviated as cup or sometimes c in recipes. One US cup equals exactly 236.588 milliliters, and it's defined as 1/16 of a US gallon or 8 US fluid ounces.
In American kitchens, a cup is one of the foundational units in recipe measurement. It's used for both dry and liquid ingredients, making it a flexible and practical choice for home cooks. Measuring cups—available in sets ranging from ¼ cup to 1 cup—are essential tools in households across the country.
Uses: The US cup is widely used in recipes for measuring ingredients like flour, sugar, milk, oil, and grains. It provides a simple and consistent way to portion both dry and wet ingredients, which is especially important in baking where ratios must be precise.
You'll also find the cup used in nutrition guides and food labels, particularly when describing serving sizes. In everyday cooking, it's a go-to unit that makes scaling recipes up or down much easier. Whether you're following a recipe from a cookbook, a food blog, or a product package, the US cup is likely to be one of the most frequently referenced measurements.
A fluid ounce (US) is a unit of volume used to measure liquids in the U.S. customary system. It's abbreviated as fl oz and is commonly seen in cooking, nutrition labeling, and liquid packaging. One US fluid ounce is defined as 1/128 of a US gallon, which equals exactly 29.5735 milliliters.
Despite the term "ounce" also being used for weight, a fluid ounce specifically measures liquid volume. It's important to distinguish the two, especially in recipes or products where both liquid and solid measurements appear. The US fluid ounce is a standard unit across many industries, from beverages and sauces to cleaning products and personal care items,
Uses: The fluid ounce is widely used in everyday life throughout the United States. In the kitchen, it shows up in recipes for measuring water, milk, oil, and other liquids. You'll also find it on nutrition labels, drink containers, and liquid medicine bottles. Most bottled drinks sold in the U.S., from soda cans to sports drinks, are labeled in fluid ounces.
Outside the kitchen, fluid ounces are also used to measure everyday products like shampoo, lotion, and household cleaners. Packaging labels often list fluid ounces to help shoppers gauge how much liquid is inside each bottle. In pharmacies, you may still see fluid ounces on medication packaging, though many prescriptions now use milliliters for greater accuracy and consistency.
1 cup = 8 fl oz
Let’s say you want to convert 1.25 cup to fl oz.
Using the formula:
1.25 × 8 = 10 fl oz
So, 1.25 cup is approximately 10 fl oz.
| Cup (US) (cup) | Fluid Ounce (US) (fl oz) |
|---|---|
| 1 cup | 8 fl oz |
| 2 cup | 16 fl oz |
| 3 cup | 24 fl oz |
| 4 cup | 32 fl oz |
| 5 cup | 40 fl oz |
| 6 cup | 48 fl oz |
| 7 cup | 56 fl oz |
| 8 cup | 64 fl oz |
| 9 cup | 72 fl oz |
| 10 cup | 80 fl oz |
| 11 cup | 88 fl oz |
| 12 cup | 96 fl oz |
| 13 cup | 104 fl oz |
| 14 cup | 112 fl oz |
| 15 cup | 120 fl oz |