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Cups to Fluid Ounces Converter

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

Value

From

1 cup = 8.00001 fluid ounces

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Quick Answer

1 cup equals 8.00001 fluid ounces. To convert cups to fluid ounces, multiply the value by this factor.

Key Facts

Reverse: 1 fluid ounce = 0.125 cups.
All volume units here are US customary; imperial (UK) cups and gallons are larger.

Cups to Fluid Ounces Formula

Formula: value × 8.00001

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

Cups to Fluid Ounces Conversion Table

Cups (cup)	Fluid Ounces (fl oz)
1 cup	8.00001 fl oz
2 cup	16 fl oz
5 cup	40 fl oz
10 cup	80.0001 fl oz
25 cup	200 fl oz
50 cup	400 fl oz
100 cup	800.001 fl oz
250 cup	2,000 fl oz
500 cup	4,000 fl oz
1,000 cup	8,000.01 fl oz

Frequently Asked Questions

How do I convert cups to fluid ounces?

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

What is the exact cups to fluid ounces conversion factor?

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

What are some common cups to fluid ounces conversions?

1 cup = 8.00001 fl oz; 10 cup = 80.0001 fl oz; 100 cup = 800.001 fl oz. 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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