Unit Converter

Conversion formula

The conversion factor from cups to fluid ounces is 8, which means that 1 cup is equal to 8 fluid ounces:

1 cup = 8 fl oz

To convert 2.5 cups into fluid ounces we have to multiply 2.5 by the conversion factor in order to get the volume amount from cups to fluid ounces. We can also form a simple proportion to calculate the result:

1 cup → 8 fl oz

2.5 cup → V(fl oz)

Solve the above proportion to obtain the volume V in fluid ounces:

V(fl oz) = 2.5 cup × 8 fl oz

V(fl oz) = 20 fl oz

The final result is:

2.5 cup → 20 fl oz

We conclude that 2.5 cups is equivalent to 20 fluid ounces:

2.5 cups = 20 fluid ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 fluid ounce is equal to 0.05 × 2.5 cups.

Another way is saying that 2.5 cups is equal to 1 ÷ 0.05 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two point five cups is approximately twenty fluid ounces:

2.5 cup ≅ 20 fl oz

An alternative is also that one fluid ounce is approximately zero point zero five times two point five cups.

Conversion table

cups to fluid ounces chart

For quick reference purposes, below is the conversion table you can use to convert from cups to fluid ounces

cups (cup) fluid ounces (fl oz)
3.5 cups 28 fluid ounces
4.5 cups 36 fluid ounces
5.5 cups 44 fluid ounces
6.5 cups 52 fluid ounces
7.5 cups 60 fluid ounces
8.5 cups 68 fluid ounces
9.5 cups 76 fluid ounces
10.5 cups 84 fluid ounces
11.5 cups 92 fluid ounces
12.5 cups 100 fluid ounces