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Fluid Ounces to Cups

Convert fluid ounces to cups instantly. The relationship is fixed: 1 fl oz = 0.125 cup (and 1 cup = 8 fl oz). To go from fluid ounces to cups, multiply by 0.125 (or divide by 8).

For example, 10 fl oz is 1.25 cup. Volume conversions are the heart of cooking and baking, where US recipes use cups and spoons while the rest of the world measures in millilitres and litres.

Cups (cup)
0.125

1 fl oz = 0.125 cup

Result

Full conversion table

Fluid OuncesCups
fl ozcup
0.250.0313
0.50.0625
10.125
20.25
30.375
40.5
60.75
81
121.5
162

How to convert fluid ounces to cups

The formula is: cup = fl oz × 0.125. Take your amount in fluid ounces, multiply by 0.125 (or divide by 8), and you have the result in cups. To reverse it, divide by 0.125 (or multiply by 8).

Use the table below for the most common values at a glance, or the calculator for any exact amount.

Frequently asked questions

How many cups are in 1 fl oz?

1 fl oz equals 0.125 cup.

How many cups is 10 fl oz?

10 fl oz is 1.25 cup.

What's the formula for fluid ounces to cups?

Multiply fluid ounces by 0.125: cup = fl oz × 0.125.

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