US cups to US fluid ounces Converter

Convert US cups to US fluid ounces (cup to fl oz) instantly. 1 US cup = 8 fl oz. Includes the formula and a conversion table.

fl oz = cup × 8

How to convert US cups to US fluid ounces

fl oz = cup × 8

One US cup equals 8 fl oz, so multiply the value in US cups by 8. Example: 10 cup = 80 fl oz.

The US gallon is exactly 231 cubic inches (3.785411784 L) and the imperial (UK) gallon is exactly 4.54609 L, so US and UK pints and gallons are not the same size.

US cups to US fluid ounces conversion table

US cups (cup)US fluid ounces (fl oz)
1 cup8 fl oz
2 cup16 fl oz
3 cup24 fl oz
5 cup40 fl oz
10 cup80 fl oz
15 cup120 fl oz
20 cup160 fl oz
25 cup200 fl oz
50 cup400 fl oz
75 cup600 fl oz
100 cup800 fl oz
250 cup2,000 fl oz
500 cup4,000 fl oz
1,000 cup8,000 fl oz

More volume conversions

Frequently asked questions

How many US fluid ounces are in 1 US cup?

1 US cup is equal to 8 fl oz.

How do I convert US cups to US fluid ounces?

Multiply the number of US cups by 8. For example, 10 cup × 8 = 80 fl oz.

How do I convert US fluid ounces back to US cups?

Use the formula cup = fl oz × 0.125, or open the US fluid ounces to US cups converter.

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