Power Calculators

🧪 US Fluid Ounces to US Cups Converter

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Converted Value
3.125

Also available in our Android app, with charts and full breakdown tables.

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⚡ US Fluid Ounces to US Cups: the quick answer

1 fl oz = 0.125 cup 1 US fluid ounce equals 0.125 US cups

To convert US fluid ounces to US cups, multiply the value by 0.125. To go the other way, multiply US cups by 8 to get US fluid ounces.

↔ Convert US cups to US fluid ounces instead

🧮 Formula

US Fluid Ounces to US Cups
cup = fl oz × 0.125
US Cups to US Fluid Ounces
fl oz = cup × 8

Where

  • fl oz = the volume in US fluid ounces
  • cup = the volume in US cups
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US fluid ounce) ÷ (cubic meters per US cup).

📊 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
5 fl oz0.625 cup
10 fl oz1.25 cup
20 fl oz2.5 cup
50 fl oz6.25 cup
100 fl oz12.5 cup
500 fl oz62.5 cup
1,000 fl oz125 cup

✏️ Worked examples

Convert 25 US fluid ounces to US cups

25 fl oz × 0.125 = 3.125 cup

Try this example →

Convert 250 US fluid ounces to US cups

250 fl oz × 0.125 = 31.25 cup

Try this example →

📘 About these units

US fluid ounce (fl oz). A US fluid ounce is 29.5735 mL, the unit on American drink and food labels.

US cup (cup). A US customary cup is 8 fluid ounces (236.588 mL).

❓ Frequently asked questions

How many US cups are in one US fluid ounce?

There are 0.125 US cups in one US fluid ounce.

How do I convert US fluid ounces to US cups?

Multiply the number of US fluid ounces by 0.125. For example, 10 US fluid ounces equal 1.25 US cups.

How many US fluid ounces are in one US cup?

One US cup equals 8 US fluid ounces.