Use this free, accurate cup (us) to fluid ounce (us) calculator to convert between Cup (US) (cup) and Fluid Ounce (US) (fl oz). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
8 Fluid Ounce
1 cup is equal to 8 fl oz.
fl oz = cup × 8
volume Converters
To convert from Cup (US) to Fluid Ounce (US), multiply the value in Cup (US) by 8 (or use the formula: fl oz = cup × 8).
Take your initial measurement in Cup (US) (cup). For instance, let's convert 1 cup.
Multiply by the standard conversion factor (8).
The final converted measurement equals 8 Fluid Ounce (US) (fl oz).
Compare standard reference values and common conversion benchmarks.
| Cup (US) (cup) | Fluid Ounce (US) (fl oz) | Action |
|---|---|---|
| 1 cup | 8 fl oz | |
| 2 cup | 16 fl oz | |
| 3 cup | 24 fl oz | |
| 5 cup | 40 fl oz | |
| 10 cup | 80 fl oz | |
| 15 cup | 120 fl oz | |
| 20 cup | 160 fl oz | |
| 25 cup | 200 fl oz | |
| 50 cup | 400 fl oz | |
| 75 cup | 600 fl oz | |
| 100 cup | 800 fl oz | |
| 250 cup | 2000 fl oz | |
| 500 cup | 4000 fl oz | |
| 1000 cup | 8000 fl oz |
Official standards, measurement systems, and real-world everyday applications.
A US customary cup is a volume unit equal to 8 US fluid ounces or approx 236.588 mL.
Common Practical Uses
A US fluid ounce is equal to 1/128 of a US gallon or approx 29.5735 milliliters.
Common Practical Uses
Calculate from Fluid Ounce (US) (fl oz) back to Cup (US) (cup).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 8 fluid ounces in 1 cups. Exactly 1 cup is equal to 8 fl oz.
The conversion formula is: Fluid Ounce (US) = fl oz = cup × 8. Applying this to 1 cup gives: 1 × 8 = 8 fl oz.
To convert in reverse from fluid ounces to cups, multiply by the inverse factor: 1 fl oz = 0.125 cup. Alternatively, divide your Fluid Ounce (US) amount by 8.
To calculate in your head, round the conversion multiplier (8) to the nearest easy whole or decimal number.
Cup (US) (cup) belongs to the US customary system, commonly used in Cooking ingredients (flour, sugar, milk), Serving sizes. In comparison, Fluid Ounce (US) (fl oz) is part of the US customary system, frequently applied in Beverage cans and bottles, Perfumes, Liquid medicine.
Key milestones include: 1 cup = 8 fl oz, 5 cup = 40 fl oz, 10 cup = 80 fl oz, 50 cup = 400 fl oz, and 100 cup = 800 fl oz.