Fluid Ounces to Cups Conversion Table

Convert 1-64 fl oz to cups

Any volume value in fl oz can be converted to cup using the conversion factor:

  • 1 ounce = 18 cup
  • cups = fl oz ÷ 8

fl oz → cup Quick Converter

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cup

Need more features? Try our complete ounce to cup converter.

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Fluid Ounces to Cups Conversion Table - conversion chart
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What is Ounce (fl oz)?

The liquid ounce is a unit of volume measurement commonly used in the United States and some other countries to measure the volume of liquids.

What is cup?

A cup is a unit of measurement used to quantify volume. It is commonly abbreviated as "cup" and represents a standardized amount typically used in cooking, baking, and beverage preparation.

How to Convert Ounce to cup

cups = fl oz ÷ 8

Example

Convert 7 fl oz to cup:

7 × 18 = 78 cup

Fluid Ounces to Cups Conversion Table

Values from 1 to 64 fl oz.

fl oz to cup (1 – 32 fl oz)
fl oz cup fraction
1 18 1/8
2 14 1/4
3 38 3/8
4 12 1/2
5 58 5/8
6 34 3/4
7 78 7/8
8 1 1
9 1 18 1 1/8
10 1 14 1 1/4
11 1 38 1 3/8
12 1 12 1 1/2
13 1 58 1 5/8
14 1 34 1 3/4
15 1 78 1 7/8
16 2 2
17 2 18 2 1/8
18 2 14 2 1/4
19 2 38 2 3/8
20 2 12 2 1/2
21 2 58 2 5/8
22 2 34 2 3/4
23 2 78 2 7/8
24 3 3
25 3 18 3 1/8
26 3 14 3 1/4
27 3 38 3 3/8
28 3 12 3 1/2
29 3 58 3 5/8
30 3 34 3 3/4
31 3 78 3 7/8
32 4 4
fl oz to cup (33 – 64 fl oz)
fl oz cup fraction
33 4 18 4 1/8
34 4 14 4 1/4
35 4 38 4 3/8
36 4 12 4 1/2
37 4 58 4 5/8
38 4 34 4 3/4
39 4 78 4 7/8
40 5 5
41 5 18 5 1/8
42 5 14 5 1/4
43 5 38 5 3/8
44 5 12 5 1/2
45 5 58 5 5/8
46 5 34 5 3/4
47 5 78 5 7/8
48 6 6
49 6 18 6 1/8
50 6 14 6 1/4
51 6 38 6 3/8
52 6 12 6 1/2
53 6 58 6 5/8
54 6 34 6 3/4
55 6 78 6 7/8
56 7 7
57 7 18 7 1/8
58 7 14 7 1/4
59 7 38 7 3/8
60 7 12 7 1/2
61 7 58 7 5/8
62 7 34 7 3/4
63 7 78 7 7/8
64 8 8

← Use our interactive ounce to cup converter

Frequently Asked Questions

How many cups are in 8 fluid ounces?

There is exactly 1 cup in 8 US fluid ounces. This is the standard US cup measurement used in cooking.

How do I convert fluid ounces to cups?

Divide the number of fluid ounces by 8. For example, 24 fl oz ÷ 8 = 3 cups.

How many cups are in 16 fluid ounces?

There are exactly 2 cups in 16 fluid ounces. This is equivalent to 1 US pint.

How many cups are in 32 fluid ounces?

There are exactly 4 cups in 32 fluid ounces. This is equivalent to 1 US quart.

How many cups are in 6 fluid ounces?

There are 0.75 cups (or 3/4 cup) in 6 fluid ounces. This is a common measurement for coffee cups and small servings.

Related Conversion Tables

cups to fl oz

Convert 0.125-10 cups

fl oz to mL

Convert 1-64 fl oz

fl oz to tbsp

Convert 1-16 fl oz
Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes