cups to fluid ounces

1 cup equals 8 fluid ounces.

Formula

To convert cups to fluid ounces, multiply the number of cups by 8.

1 cup = 8 fl oz, and 1 fl oz = 0.125 cup.

These conversions use the US customary cup (about 236.6 ml). Metric cups (250 ml) and UK cups differ slightly.

cups to fluid ounces chart

cupsfluid ounces
0.25 cups2
0.5 cups4
1 cup8
2 cups16
3 cups24
4 cups32
5 cups40
10 cups80
20 cups160
50 cups400
100 cups800

Frequently asked questions

How many fluid ounces are in a cup?

There are 8 fluid ounces in one cup.

How many cups are in a fluid ounce?

There are 0.125 cups in one fluid ounce.