Unit Conversion

US cups to US fluid ounces

1 US cup = 8 US fluid ounces. Type any value below for an instant conversion.

Enter a value to convert.

How to convert US cups to US fluid ounces

Multiply the US cup value by 8:

US fluid ounces = US cups × 8

Example: 10 cup × 8 = 80 fl oz. Going the other way, divide by 8 (or multiply by 0.125) — or use our US fluid ounces to US cups converter.

Conversion table

US cupsUS fluid ounces
1 cup8 fl oz
2 cup16 fl oz
3 cup24 fl oz
5 cup40 fl oz
8 cup64 fl oz
10 cup80 fl oz
12 cup96 fl oz
16 cup128 fl oz
20 cup160 fl oz
25 cup200 fl oz
50 cup400 fl oz
100 cup800 fl oz
250 cup2,000 fl oz
500 cup4,000 fl oz
750 cup6,000 fl oz
1,000 cup8,000 fl oz

About these units

US cup (cup) and US fluid ounce (fl oz) are both units of volume. Liters and milliliters are the international standard; gallons, cups, and fluid ounces here are US customary measures (UK imperial versions differ slightly).

Need a different pair? Try the full unit converter.

Related: Liters to US gallons · US gallons to liters · Milliliters to US fluid ounces · US fluid ounces to milliliters · US cups to milliliters · Milliliters to US cups