Cups to Fluid Ounces Conversion

How many ounces in a cup?

There are 8 fluid ounces in a cup. To find out how many ounces in cups, simply multiply by 8 (conversion factor) or instead, use the converter below. Please note that you can't convert cups to grams unless you know the density of the material being measured. To find out how many grams in cups, please check the table below for pre-measured values of commonly used cooking ingredients.

You may also create your own cups to fl. ounces custom printable conversion chart and print it.

1 Cup [US] = 8 Ounces [Fluid, US]

1 Cup [Metric] = 8.7988 Ounces [Fluid, UK]

For fluid ounce to cup converter, please go to fluid ounces To cups

For other volume unit conversions, please go to Volume Conversion
Converter

Enter a cup value that you want to convert into US fluid ounces and click on the "convert" button.

Cup is a non standard volume measurement unit and used in different measurement systems. Metric cups are slightly larger than the U.S. customary cups. Mostly used in cooking to measure liquid and bulk, dry foods. Depending on what to measure (fluid or dry), cup materials or shapes are usually different (as seen in the pictures at the bottom of the page). It's abbreviated as "c".

Fluid ounce is a volume unit in several measurement systems. It is a commonly used unit in cooking recipes. It's abbreviated as "fl oz". Ounce is also used as a weight unit but to distinguish between these two, volume unit is called fluid ounce. This often causes confusion since sometimes there is a need to convert from a volume unit cup to a weight unit (ounce or grams). This is not possible unless you know the density of the unit that you are converting into. But, if you are wondering how many grams in a cup for butter, sugar, flour and honey, please check the table below that has pre-measured values.

Create Custom Conversion Table

Cups to Grams and Ounces (Weight) Conversion Table

How many grams in a cup of butter, flour, sugar or honey ?

g: grams, oz: ounces

Please note: The results are approximation only, actual results may differ slightly.

CupButterFlour[All Purpose]Flour[Bread]Sugar [White]Sugar [Brown]Honey
1/457 g (2.01 oz)32 g (1.1 oz)34 g (1.2 oz)50 g (1.8 oz)55 g (1.9 oz)85 g (3 oz)
1/376 g (2.6 oz)43 g (1.5 oz)45 g (1.6 oz)67 g (2.37 oz)73 g (2.58 oz)113 g (4 oz)
1/2113 g (3.9 oz)64 g (2.25 oz)68 g (2.4 oz)100 g (3.55 oz)110 g (3.8 oz)170 g (6 oz)
1226 g (7.8 oz)128 g (4.5 oz)136 g (4.8 oz)200 g (7.1 oz)220 g (7.6 oz)340 g (12 oz)

Conversion Table [US, Fluid]

CupFl. OunceCupFl. OunceCupFl. OunceCupFl. Ounce
18262085140876608
216272165241677616
324282245342478624
432292325443279632
540302405544080640
648312485644881648
756322565745682656
864332645846483664
972342725947284672
1080352806048085680
1188362886148886688
1296372966249687696
13104383046350488704
14112393126451289712
15120403206552090720
161284132866528100800
1713642336675361251000
1814443344685441501200
1915244352695521751400
2016045360705602001600
2116846368715682502000
2217647376725763002400
2318448384735845004000
2419249392745927506000
25200504007560010008000