Conversion formula

The conversion factor from fluid ounces to cups is 0.125, which means that 1 fluid ounce is equal to 0.125 cups:

1 fl oz = 0.125 cup

To convert 171 fluid ounces into cups we have to multiply 171 by the conversion factor in order to get the volume amount from fluid ounces to cups. We can also form a simple proportion to calculate the result:

1 fl oz → 0.125 cup

171 fl oz → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 171 fl oz × 0.125 cup

V_(cup) = 21.375 cup

The final result is:

171 fl oz → 21.375 cup

We conclude that 171 fluid ounces is equivalent to 21.375 cups:

171 fluid ounces = 21.375 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.046783625730994 × 171 fluid ounces.

Another way is saying that 171 fluid ounces is equal to 1 ÷ 0.046783625730994 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred seventy-one fluid ounces is approximately twenty-one point three seven five cups:

171 fl oz ≅ 21.375 cup

An alternative is also that one cup is approximately zero point zero four seven times one hundred seventy-one fluid ounces.

Conversion table

fluid ounces to cups chart

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