Convert Fluid Ounce to Cup

One fl oz equals 0.125 cup. This converter allows you to easily convert between Fluid Ounce and Cup in real time.

Formula

fl oz × 0.125 = cup

Example: 1 fl oz = 0.125 cup

What is Fluid Ounce?

The fluid ounce is a unit of volume in the US customary system, defined as exactly 29.5735295625 milliliters. It should not be confused with the ounce of mass. In the United States, beverage containers are labeled in fluid ounces—a standard soda can holds 12 fl oz (about 355 mL). Coffee shop sizes (8 oz, 12 oz, 16 oz) also refer to fluid ounces. Cosmetics and perfumes often list their volume in fluid ounces on the packaging.

What is Cup?

The cup is a unit of volume used primarily in American cooking, defined as exactly 0.2365882365 liters, or half a US pint. Nearly all American recipes measure both liquid and dry ingredients in cups. One cup equals 8 US fluid ounces or approximately 236.6 milliliters. It is important to note that cup sizes vary by country: the Japanese cup is 200 mL, the Australian cup is 250 mL, and the Canadian metric cup is also 250 mL.