Ounces (oz) to Cups Conversion

1 US cup = 8 US fluid ounces. 1 US fluid oz = 0.125 US cup.

Enter US Fluid Ounce
Enter US Cup

How many cups are there in an ounce?

1 US fluid ounce is 1/8 of a US cup (there is 0.125 US cup in a US fluid ounce). 1 Imperial fluid ounce is 1/10 of an imperial cup (there is 0.1 imperial cup in an imperial fluid ounce). And also 1 imperial fluid ounce is 0.113 metric cup.

Please note that, UK, Canada, Australia, New Zealand and a few other commonwealth countries use the metric cups (250 mL) today. But if you need the fluid ounces to cups conversion from the old recipes (pre-1970s), then you may still need the use the capacities from the imperial cups.

If you would like to find out how many cups in "x" ounces and compare the values in the conversion table, please check cups to ounces converter page.

How to convert from ounces to cups?

To convert from ounces to cups, multiply the number of ounces "x" by 0.125 for US cup, multiply by 0.1 for the imperial cup and multiply by 0.113 for the metric cup in UK.

For example, to find out how many cups there are in 16 US fluid ounces, multiply 16 by 0.125, that makes 2 cups in 16 US fluid ounces.

You may also use this volume units conversion tool to convert between US, imperial, metric cups and fluid ounces.

What is a fluid ounce (fl oz)?

Fluid ounce is an imperial and US Customary measurement system volume unit. 1 US fluid ounce equals to 29.5735 mL and 1 imperial (UK) fluid ounce equals to 28.4131 mL. The abbreviation is "fl oz".

If you would like to find out how many milliliters (mL) in "x" fluid ounces and compare the values in the conversion table, please check ounces to mL converter page.

What is a cup?

Cup is a US Customary and metric system volume unit (imperial cups are no longer in use today except the old recipes). 1 US cup equals to 236.5 mL. UK, Canada, Australia and New Zealand now use the metric cups (250 mL). The abbreviation is "c".

The list for your reference:

1 US Fluid Ounce = 0.125 (1/8) US Cup
1 Imperial Fluid Ounce = 0.1 (1/10) Imperial Cup (UK)
1 Imperial Fluid Ounce = 0.113 Metric Cup

For US Fluid Ounces & Cups:

1 fl oz = 1/8 US cup
2 fl oz = 1/4 US cup
4 fl oz = 1/2 US cup
8 fl oz = 1 US cup
12 fl oz = 3/2 US cup
16 fl oz = 2 US cup
20 fl oz = 5/2 US cup

For Imperial Fluid Ounces & Cups:

2.5 imperial fl oz = 1/4 imperial cup
5 imperial fl oz = 1/2 imperial cup
10 imperial fl oz = 1 imperial cup
15 imperial fl oz = 3/2 imperial cup
20 imperial fl oz = 2 imperial cup
25 imperial fl oz = 5/2 imperial cup

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.

Fluid Ounces to Cups Conversion Table [US]

Fl. OunceCupFl. OunceCupFl. OunceCupFl. OunceCup