fl oz → cup converter

Convert fluid ounces to cups (Volume)

1 fl oz = 0.125 cup · 1 cup = 8 fl oz

Common values: 10 fl oz 20 fl oz 50 fl oz 100 fl oz 500 fl oz

1 fl oz = 0.125 cup

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Table Of Contents

Fluid ounces to cups Conversion

1 fluid ounces (fl oz) is equal to 0.125 cups (cup).

1 fl oz = 0.125 cup

or

1 cup = 8 fl oz

Formula

To convert a volume from fluid ounces (fl oz) to cups (cup), divide the volume in fluid ounces by 8

v(cup) = v(fl oz) / 8

Examples:

Convert 1 fluid ounces to cups:

v(cup) = 1fl oz / 8 = 0.125 cup

Conversion table

Fluid ounces (fl oz) Cups (cup)
1 fl oz 0.125 cup
2 fl oz 0.25 cup
3 fl oz 0.375 cup
5 fl oz 0.625 cup
10 fl oz 1.25 cup
20 fl oz 2.5 cup
25 fl oz 3.125 cup
50 fl oz 6.25 cup
100 fl oz 12.5 cup
250 fl oz 31.25 cup
500 fl oz 62.5 cup
1000 fl oz 125 cup
Cups (cup) Fluid ounces (fl oz)
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
20 cup 160 fl oz
25 cup 200 fl oz
50 cup 400 fl oz
100 cup 800 fl oz
250 cup 2000 fl oz
500 cup 4000 fl oz
1000 cup 8000 fl oz

Frequently asked questions

How do I convert fluid ounces to cups?

Divide the value in fluid ounces by 8 to get the result in cups. For example, 5 fl oz ÷ 8 = 0.625 cup.

How many cups are in 1 fluid ounces?

1 fluid ounces (fl oz) is equal to 0.125 cups (cup).

How do I convert cups back to fluid ounces?

Use the inverse operation: multiply the value in cups by 8 to get the result in fluid ounces.

How accurate is the fluid ounces to cups conversion?

The converter multiplies by the conversion factor 8 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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