Cup (US) to Fluid Ounce (US) Converter

Quick Answer

1 cup = 8 fl oz

Formula: Fluid Ounce (US) = Cup (US) x 8

Formula verifiedLive calculation

From (Cup (US))cup

To (Fluid Ounce (US))

8fl oz

Cup (US) to Fluid Ounce (US) Conversion Table

Cup (US) (cup)	Fluid Ounce (US) (fl oz)	Formula Step
1	8	1 x 8
2	16	2 x 8
3	24	3 x 8
4	32	4 x 8
5	40	5 x 8
6	48	6 x 8
7	56	7 x 8
8	64	8 x 8
9	72	9 x 8
10	80	10 x 8

Convert Cup (US) to Other Culinary Volume Units

Cup (US) to Teaspoon (US)Cup (US) to Teaspoon (UK)Cup (US) to Tablespoon (US)Cup (US) to Tablespoon (UK)Cup (US) to Sho (Japanese)Cup (US) to Shaku (Japanese)Cup (US) to Quart (US)Cup (US) to Pint (US)Cup (US) to Milliliter Cup (US) to Liter Cup (US) to Gallon (US)Cup (US) to Fluid Ounce (US)Cup (US) to Fluid Ounce (UK)Cup (US) to Deciliter Cup (US) to Cup (New Zealand)Cup (US) to Cup (Metric)Cup (US) to Cup (Australian)Cup (US) to Centiliter

Frequently Asked Questions

How do you convert Cup (US) to Fluid Ounce (US)?

Use the formula Fluid Ounce (US) = Cup (US) x 8. For example: 1 cup = 8 fl oz. Our calculator handles this automatically.

How many Fluid Ounce (US)s in a Cup (US)?

1 cup = 8 fl oz.

Why would I need to convert Cup (US) to Fluid Ounce (US)?

Converting Cup (US) to Fluid Ounce (US) is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Culinary Volume reference calculator

Reference factors

fl oz per cup

0.125

cup per fl oz

Formula audit

Fluid Ounce (US) = Cup (US) x 8

1 cup = 8 fl oz

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryCulinary Volume

Input unitCup (US) (cup)

Output unitFluid Ounce (US) (fl oz)