Convert cups to fl oz
US cups to US fluid ounces. Enter a value to convert, or use the cups to fl oz chart further down the page.
1 US cup equals 8 US fluid ounces. Going the other way, 1 US fluid ounce = 0.125 US cups.
How to convert cups to fl oz
To convert US cups to US fluid ounces, multiply the US cup value by 8. You can also divide by 0.125 to get the same answer.
fl oz = cup × 8
Worked example
Convert 15 cup to US fluid ounces:
15 cup = 120 fl oz
cups to fl oz conversion chart
Use this cups to fl oz table for quick reference without typing anything.
| US cups (cup) | US fluid ounces (fl oz) |
|---|---|
| 0.01 cup | 0.08 fl oz |
| 0.1 cup | 0.8 fl oz |
| 1 cup | 8 fl oz |
| 2 cup | 16 fl oz |
| 3 cup | 24 fl oz |
| 5 cup | 40 fl oz |
| 10 cup | 80 fl oz |
| 20 cup | 160 fl oz |
| 50 cup | 400 fl oz |
| 100 cup | 800 fl oz |
| 1,000 cup | 8,000 fl oz |
What is a US cup?
The US customary cup is 8 US fluid ounces, or about 236.59 milliliters. US nutrition labels use a slightly different “legal cup” of exactly 240 mL.
What is an US fluid ounce?
The US fluid ounce is exactly 29.5735295625 milliliters — one sixteenth of a US pint. It measures volume, not weight.
Frequently asked questions
How many fl oz are in an US cup?
1 cups equals 8 fl oz. Going the other way, 1 fl oz is 0.125 cups.
How do you convert cups to fl oz?
To convert US cups to US fluid ounces, multiply the US cup value by 8. You can also divide by 0.125 to get the same answer.
What is 10 cups in fl oz?
10 cups equals 80 fl oz. The conversion chart on this page lists the other values people look up most often.
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