Cups to Fluid Ounces

Convert cup to fl oz instantly — with a table, common fractions, and a live calculator.

1 cup equals 8 fl oz.

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Convert any amount

Result (fl oz)8 fl oz

cup to fl oz table

cupfl oz
0.25 cup2 fl oz
0.5 cup4 fl oz
0.75 cup6 fl oz
1 cup8 fl oz
1.5 cup12 fl oz
2 cup16 fl oz
2.5 cup20 fl oz
3 cup24 fl oz
4 cup32 fl oz
5 cup40 fl oz
6 cup48 fl oz
8 cup64 fl oz
10 cup80 fl oz
12 cup96 fl oz
14.5 cup116 fl oz
15 cup120 fl oz
16 cup128 fl oz
24 cup192 fl oz
32 cup256 fl oz
48 cup384 fl oz
64 cup512 fl oz
96 cup768 fl oz

fl oz to cup (reverse)

fl ozcup
0.25 fl oz0.0313 cup
0.5 fl oz0.0625 cup
0.75 fl oz0.0938 cup
1 fl oz0.125 cup
1.5 fl oz0.188 cup
2 fl oz0.25 cup
2.5 fl oz0.313 cup
3 fl oz0.375 cup
4 fl oz0.5 cup
5 fl oz0.625 cup
6 fl oz0.75 cup
8 fl oz1 cup
10 fl oz1.25 cup
12 fl oz1.5 cup
14.5 fl oz1.81 cup
15 fl oz1.88 cup
16 fl oz2 cup
24 fl oz3 cup
32 fl oz4 cup
48 fl oz6 cup
64 fl oz8 cup
96 fl oz12 cup

Common fractions

cupfl oz
1/8 cup1 fl oz
1/4 cup2 fl oz
1/3 cup2.67 fl oz
1/2 cup4 fl oz
2/3 cup5.33 fl oz
3/4 cup6 fl oz
1 cup8 fl oz
1 1/4 cup10 fl oz
1 1/2 cup12 fl oz
2 cup16 fl oz
2 1/2 cup20 fl oz
3 cup24 fl oz

How it scales

816243201234cup

1 cup in other units

8fl oz16tbsp48tsp0.5Pint0.3Quart237ml

The ratio at a glance

1 cup8 fl oz

US units, metric units, and weight

The values on this page use US customary volume units. A US cup holds 236.6 ml, while a metric cup holds 250 ml — so check which cup your recipe means.

Volume-to-volume conversions are exact. Converting to weight (grams or pounds), however, depends on the ingredient — that is what our ingredient-specific cup-conversion pages are for.

Frequently asked questions

How many fl oz are in a cup?

1 cup equals 8 fl oz.

How many fl oz are in 2 cup?

2 cup equal 16 fl oz.

How do I convert cup to fl oz?

Multiply the number of cup by 8 to get fl oz.

Is a US cup the same as a metric cup?

No. A US cup holds 236.6 ml, while a metric cup holds 250 ml. The values on this page use the US cup, which most recipes refer to.

Are these fluid ounces or weight ounces?

These are US fluid ounces (a measure of volume). Converting to grams or pounds depends on the ingredient — that is what our ingredient-specific cup-conversion pages are for.

Convert any unit

The kitchen unit converter handles cups, ml, g, oz, tablespoons, and more — for all ingredients.

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