US fluid ounces to US cups Converter

Convert US fluid ounces to US cups (fl oz to cup) instantly. 1 US fluid ounce = 0.125 cup. Includes the formula and a conversion table.

cup = fl oz × 0.125

How to convert US fluid ounces to US cups

cup = fl oz × 0.125

One US fluid ounce equals 0.125 cup, so multiply the value in US fluid ounces by 0.125. Example: 10 fl oz = 1.25 cup.

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 fluid ounces to US cups conversion table

US fluid ounces (fl oz)US cups (cup)
1 fl oz0.125 cup
2 fl oz0.25 cup
3 fl oz0.375 cup
5 fl oz0.625 cup
10 fl oz1.25 cup
15 fl oz1.875 cup
20 fl oz2.5 cup
25 fl oz3.125 cup
50 fl oz6.25 cup
75 fl oz9.375 cup
100 fl oz12.5 cup
250 fl oz31.25 cup
500 fl oz62.5 cup
1,000 fl oz125 cup

More volume conversions

Frequently asked questions

How many US cups are in 1 US fluid ounce?

1 US fluid ounce is equal to 0.125 cup.

How do I convert US fluid ounces to US cups?

Multiply the number of US fluid ounces by 0.125. For example, 10 fl oz × 0.125 = 1.25 cup.

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

Use the formula fl oz = cup × 8, or open the US cups to US fluid ounces converter.

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