This converter allows you to quickly convert us cups (cup)
into us fluid ounces (fl oz).
Simply enter a value, choose your units, and get an instant, accurate result.
US Cup to US Fluid Ounce Conversion Table
US Cup (cup)
US Fluid Ounce (fl oz)
1
8
2
16
5
40
10
80
20
160
50
400
100
800
200
1,600
500
4,000
1000
8,000
2000
16,000
5000
40,000
10000
80,000
20000
160,000
50000
400,000
100000
800,000
200000
1,600,000
500000
4,000,000
1000000
8,000,000
2000000
16,000,000
How to convert US Cups to US Fluid Ounces?
To convert us cups to us fluid ounces, multiply by the conversion factor:
Example: Convert 10 US Cups to US Fluid Ounces
Frequently asked questions
How many us fluid ounces are in 1 us cup?
1 US Cup (cup) equals 8 us fluid ounces (fl oz).
How many us cups are in 1 us fluid ounce?
1 US Fluid Ounce (fl oz) equals 0.125 us cups (cup).
How do I convert us fluid ounces back to us cups?
Use the swap button above to flip the converter, or type a value directly into the "US Fluid Ounce" field — this page converts in both directions instantly as you type, with no submit button needed.
Which is larger, us cup or us fluid ounce?
1 US Cup is larger — it takes 8 us fluid ounces to equal 1 us cup.