1 fluid ounce (US) = 0.125 cups (US)
All conversions
| Unit | Symbol | Value |
|---|
Quick answer
To convert OZ to Cups, divide the number of fluid ounces (US) by 8. For example, 4 OZ = 0.5 Cups.
How to Convert OZ to Cups
The formula is cups (US) = fluid ounces (US) ÷ 8. 1 fluid ounce (US) = 0.125 cups (US). Type any value in the converter above for an instant answer, or use the chart below for the most common values.
This page is preset for fluid ounce (US) to cup (US) conversions, but you can switch either list to any of the 76 units in the Volume Converter, or go the other way with the Cups to OZ converter.
OZ to Cups conversion chart
| OZ | Cups |
|---|---|
| 0.1 fl oz (US) | 0.0125 cup (US) |
| 0.25 fl oz (US) | 0.03125 cup (US) |
| 0.5 fl oz (US) | 0.0625 cup (US) |
| 1 fl oz (US) | 0.125 cup (US) |
| 2 fl oz (US) | 0.25 cup (US) |
| 3 fl oz (US) | 0.375 cup (US) |
| 4 fl oz (US) | 0.5 cup (US) |
| 5 fl oz (US) | 0.625 cup (US) |
| 6 fl oz (US) | 0.75 cup (US) |
| 7 fl oz (US) | 0.875 cup (US) |
| 8 fl oz (US) | 1 cup (US) |
| 9 fl oz (US) | 1.125 cup (US) |
| 10 fl oz (US) | 1.25 cup (US) |
| 11 fl oz (US) | 1.375 cup (US) |
| 12 fl oz (US) | 1.5 cup (US) |
| 13 fl oz (US) | 1.625 cup (US) |
| 14 fl oz (US) | 1.75 cup (US) |
| 15 fl oz (US) | 1.875 cup (US) |
| 16 fl oz (US) | 2 cup (US) |
| 17 fl oz (US) | 2.125 cup (US) |
| 18 fl oz (US) | 2.25 cup (US) |
| 19 fl oz (US) | 2.375 cup (US) |
| 20 fl oz (US) | 2.5 cup (US) |
| 25 fl oz (US) | 3.125 cup (US) |
| 30 fl oz (US) | 3.75 cup (US) |
| 32 fl oz (US) | 4 cup (US) |
| 40 fl oz (US) | 5 cup (US) |
| 50 fl oz (US) | 6.25 cup (US) |
| 60 fl oz (US) | 7.5 cup (US) |
| 70 fl oz (US) | 8.75 cup (US) |
| 75 fl oz (US) | 9.375 cup (US) |
| 80 fl oz (US) | 10 cup (US) |
| 90 fl oz (US) | 11.25 cup (US) |
| 100 fl oz (US) | 12.5 cup (US) |
| 150 fl oz (US) | 18.75 cup (US) |
| 200 fl oz (US) | 25 cup (US) |
| 250 fl oz (US) | 31.25 cup (US) |
| 500 fl oz (US) | 62.5 cup (US) |
| 1,000 fl oz (US) | 125 cup (US) |
Common OZ to Cups conversions
- 1 fluid ounce (US) = 0.125 cups (US)
- 4 fl oz (US) = 0.5 cup (US)
- 8 fl oz (US) = 1 cup (US)
- 12 fl oz (US) = 1.5 cup (US)
- 16 fl oz (US) = 2 cup (US)
- 32 fl oz (US) = 4 cup (US)
Popular volume converters
How to Use the OZ to Cups Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How many cups (US) are in a fluid ounce (US)?
There are 0.125 cups (US) in 1 fluid ounce (US). Going the other way, 1 cup (US) = 8 fluid ounces (US).
How do I convert OZ to Cups?
Use the formula cups (US) = fluid ounces (US) ÷ 8. For example, 1 fluid ounce (US) = 0.125 cups (US). Or type the value in the converter above and the answer appears as you type.
What is the OZ to Cups formula?
cups (US) = fluid ounces (US) ÷ 8 — the conversion factor is exact, using the international definitions of both units.
What is 4 OZ in Cups?
4 OZ = 0.5 Cups.
What is 8 OZ in Cups?
8 OZ = 1 Cups.
What is 12 OZ in Cups?
12 OZ = 1.5 Cups.
What is 16 OZ in Cups?
16 OZ = 2 Cups.
What is 32 OZ in Cups?
32 OZ = 4 Cups.
How do I convert Cups back to OZ?
Use the swap button in the converter above, or open our Cups to OZ converter. fluid ounces (US) = cups (US) × 8.
Is this OZ to Cups converter accurate?
Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.
Can I convert OZ to other volume units?
Yes — pick any unit in the From and To lists above, or open the full Volume Converter, which handles 76 volume units.
Is the OZ to Cups converter free?
Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.