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Fluid Ounces to Cups Converter

Free instant fl oz → cup converter. No signup, no uploads — everything is calculated privately in your browser.

1 fl oz = 0.125 cups

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 fluid ounce equals 0.125 cups. To convert fluid ounces to cups, multiply the value by this factor.

Key Facts

  • Reverse: 1 cup = 8.00001 fluid ounces.
  • All volume units here are US customary; imperial (UK) cups and gallons are larger.

Fluid Ounces to Cups Formula

Formula: value ÷ 8.00001

Prefer to skip the math? Type any value in the converter above and it converts instantly.

Fluid Ounces to Cups Conversion Table

Fluid Ounces (fl oz)Cups (cup)
1 fl oz0.125 cup
2 fl oz0.25 cup
5 fl oz0.624999 cup
10 fl oz1.25 cup
25 fl oz3.125 cup
50 fl oz6.24999 cup
100 fl oz12.5 cup
250 fl oz31.25 cup
500 fl oz62.4999 cup
1,000 fl oz125 cup

Frequently Asked Questions

How do I convert fluid ounces to cups?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value ÷ 8.00001.

What is the exact fluid ounces to cups conversion factor?

1 fluid ounce = 0.125 cups (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 cup = 8.00001 fluid ounces.

What are some common fluid ounces to cups conversions?

1 fl oz = 0.125 cup; 10 fl oz = 1.25 cup; 100 fl oz = 12.5 cup. Use the full conversion table below for more reference values.

Are US and imperial volume units the same?

No, and the difference matters. This converter uses US customary measures: 1 US cup = 236.588 mL and 1 US gallon = 3.785411784 L. An imperial cup is 284 mL and an imperial gallon is 4.546 L, so recipes from the UK may need adjusting.

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