Fluid Ounces to Cups Converter

There are 0.125 cups in 1 fluid ounce (fl oz). To convert fluid ounces to cups, multiply the number of fluid ounces by 0.125.

Measurement Converter

Precision:
0.125

How to Calculate

c = fl oz × 0.125

To convert a measurement from fluid ounces to cups, multiply the volume by the conversion ratio.

Fluid Ounces to Cups Conversion Chart

Use this quick reference table to convert common amounts of fluid ounces to cups.

Fluid OuncesCups
1 fl oz0.125 c
2 fl oz0.250 c
3 fl oz0.375 c
4 fl oz0.500 c
5 fl oz0.625 c
6 fl oz0.750 c
8 fl oz1.000 c
10 fl oz1.250 c
12 fl oz1.500 c
16 fl oz2.000 c

Frequently Asked Questions

How many cups are in 1 fluid ounce?

There are 0.125 cups in 1 fluid ounce (fl oz).

Is a US fluid ounce the same as an Imperial fluid ounce?

In many cases, US customary and Imperial measurements differ slightly. Our calculator defaults to US Customary measurements, which are standard for most modern recipes.

Why does ingredient density matter for fl oz to c?

A fluid ounce is a unit of volume, while cups is a unit of volume. To convert accurately between them you must account for how tightly the ingredient is packed, which is its density.