How Many Ounces in a Cup?
Find how many ounces are in a cup for recipes, drinks, baking, sauces, and kitchen measurement checks.
How Many Ounces in a Cup?
There are 8 US fluid ounces in 1 US cup. The goal of this page is to give you the answer immediately, then explain the conversion or calculation in plain language so you can use it with confidence.
How to Calculate It
Use this formula: fluid ounces = cups x 8. The formula is included so you can check the result yourself or adjust the numbers when the situation is slightly different.
Cup to Fluid Ounce Example
If a recipe needs 2 cups of liquid, multiply 2 by 8. That equals 16 fluid ounces. A half cup equals 4 fluid ounces, and a quarter cup equals 2 fluid ounces.
Fluid Ounces vs Weight Ounces
For liquids, a US cup is 8 fluid ounces. For dry ingredients, ounces can mean weight, and the result depends on the ingredient. One cup of flour and one cup of sugar do not weigh the same.
Where This Helps Most
This answer is helpful for drinks, sauces, broth, milk, coffee, and liquid recipe measurements. For baking, use fluid ounces for liquids and grams for dry ingredients when precision matters.