Fluid ounces to Cups Converter
1 fluid ounce (fl oz) equals 0.125 cups (cup).
1 fluid ounce = 0.125 cups
How to convert fluid ounces to cups
cup = fl oz ÷ 8
To convert fluid ounces to cups, divide the number of fluid ounces by 8.
Example: 10 fl oz to cup
- Start with the value in fluid ounces: 10 fl oz.
- Divide by 8: 10 ÷ 8 = 1.25.
- Result: 10 fluid ounces = 1.25 cups.
Going the other way, 1 cup = 8 fluid ounces, so to convert cups back to fluid ounces you multiply by the same number. See cups to fluid ounces.
Fluid ounces to cups conversion table
| Fluid ounces (fl oz) | Cups (cup) |
|---|---|
| 0.5 fl oz | 0.0625 cup |
| 1 fl oz | 0.125 cup |
| 2 fl oz | 0.25 cup |
| 3 fl oz | 0.375 cup |
| 4 fl oz | 0.5 cup |
| 5 fl oz | 0.625 cup |
| 6 fl oz | 0.75 cup |
| 7 fl oz | 0.875 cup |
| 8 fl oz | 1 cup |
| 9 fl oz | 1.125 cup |
| 10 fl oz | 1.25 cup |
| 11 fl oz | 1.375 cup |
| 12 fl oz | 1.5 cup |
| 13 fl oz | 1.625 cup |
| 14 fl oz | 1.75 cup |
| 15 fl oz | 1.875 cup |
| 16 fl oz | 2 cup |
| 17 fl oz | 2.125 cup |
| 18 fl oz | 2.25 cup |
| 19 fl oz | 2.375 cup |
| 20 fl oz | 2.5 cup |
| 25 fl oz | 3.125 cup |
| 30 fl oz | 3.75 cup |
| 40 fl oz | 5 cup |
| 50 fl oz | 6.25 cup |
| 75 fl oz | 9.375 cup |
| 100 fl oz | 12.5 cup |
| 250 fl oz | 31.25 cup |
| 500 fl oz | 62.5 cup |
| 1,000 fl oz | 125 cup |
What is a fluid ounce?
A US fluid ounce is a measure of volume, 1/8 of a cup; of cake flour it weighs about 14.1 grams.
What is a cup?
A US cup of cake flour weighs about 113 grams (3.99 oz).
Convert fluid ounces to other units
Convert other units to cups
Frequently asked questions
How many cups are in a fluid ounce?
One fluid ounce is 0.125 cups.
How many fluid ounces are in a cup?
One cup is 8 fluid ounces.
What is the formula to convert fluid ounces to cups?
cup = fl oz ÷ 8.