Cups to Oz Converter.

1 US cup = 8 US fl oz, so 2 cups = 16 fl oz. Type any value below to convert cups to oz instantly.

cup
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fl oz
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Reference Table

mL L m³ fl oz cup pt qt gal imp pt imp gal
0.4731764730.00047317654.731765e-70.0160.0020.0010.00050.0001250.00083267420.0001040843
4.7317650.00473176470.00000473180.160.020.010.0050.001250.00832674180.0010408427
47.3176470.04731764730.00004731761.60.20.10.050.01250.08326741850.0104084273
473.1764730.4731764730.000473176516210.50.1250.83267418460.1040842731
4731.76474.7317650.0047317647160201051.258.3267421.040843
47317.647347.3176470.047317647316002001005012.583.26741810.408427
473176.473473.1764730.4731764731600020001000500125832.674185104.084273

How to convert cups to oz

Formula.fluid ounces = cups × 8.

Relationship.1 US cup = 8 US fl oz.

Worked example. 2 cups = 16 fl oz.

cups to oz conversion table

cupfl oz
0.1251
0.252
0.3753
0.54
0.6255
0.756
18
1.2510
1.512
1.7514
216
2.520
324
3.528
432
4.536
540
648
756
864
1080
1296
16128
20160
24192

Frequently Asked Questions

How many ounces are in a cup?

A US cup holds 8 US fluid ounces, so multiply cups by 8: 2 cups = 16 fl oz.

Does a cup of flour weigh 8 ounces?

No. Fluid ounces measure volume, not weight. A cup of plain flour weighs only about 4¼ oz (120 g); a cup of water weighs about 8.3 oz. For dry ingredients, use the grams-to-cups converter instead.

Is a metric or UK cup the same?

No. A metric cup (Australia, Canada, New Zealand) is 250 mL, which is 8.45 US fl oz. The UK fluid ounce is also slightly smaller (28.4 mL against 29.6 mL). This converter uses US cups and US fluid ounces.

How many ounces is half a cup?

4 fl oz. A quarter cup is 2 fl oz.

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