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

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Fluid Ounces to Cups Conversion Table - conversion chart
Fluid Ounces to Cups Conversion Table — Free to download and share

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

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.

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