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Conversion

US Cups to US Fluid Ounces Converter

1 US cup = 8 fl oz. Enter any value to convert US cups (cup) to US fluid ounces (fl oz), or use the table below for common values.

Results

1 cup =8 fl ozUS cups → US fluid ounces
1 cup8 fl oz
1 fl oz0.125 cup
Formula
fl oz = cup × 8
1 cup in other units
UnitValue
milliliters (mL)236.5882365
liters (L)0.2365882365
cubic meters (m³)0.0002365882365
US teaspoons (tsp)48
US tablespoons (tbsp)16
US fluid ounces (fl oz)8
US pints (pt)0.5
US quarts (qt)0.25
US gallons (gal)0.0625

Formula

fl oz = cup × 8

Example: 10 cup = 80 fl oz. To convert the other way, use cup = fl oz × 0.125.

US Cups to US Fluid Ounces conversion table

US Cups (cup)US Fluid Ounces (fl oz)
1 cup8 fl oz
2 cup16 fl oz
3 cup24 fl oz
4 cup32 fl oz
5 cup40 fl oz
6 cup48 fl oz
7 cup56 fl oz
8 cup64 fl oz
9 cup72 fl oz
10 cup80 fl oz
15 cup120 fl oz
20 cup160 fl oz
25 cup200 fl oz
30 cup240 fl oz
40 cup320 fl oz
50 cup400 fl oz
75 cup600 fl oz
100 cup800 fl oz
250 cup2,000 fl oz
500 cup4,000 fl oz
1,000 cup8,000 fl oz

About US cups and US fluid ounces

The US customary cup is 8 US fluid ounces, about 236.6 mL. Nutrition labels use a rounded "legal cup" of 240 mL.

The US fluid ounce is 1/128 of a US gallon, about 29.57 mL. It is used on drink and cosmetics labels in the US.

Other Volume conversions

US Fluid Ounces → US CupsReverse conversionMilliliters → US Fluid OuncesmL → fl ozLiters → US Fluid OuncesL → fl ozCubic Meters → US Fluid Ouncesm³ → fl ozUS Teaspoons → US Fluid Ouncestsp → fl ozUS Tablespoons → US Fluid Ouncestbsp → fl ozUS Cups → Milliliterscup → mLUS Cups → Literscup → LUS Cups → Cubic Meterscup → m³US Cups → US Teaspoonscup → tspUS Cups → US Tablespoonscup → tbspUS Cups → US Pintscup → ptUS Cups → US Quartscup → qtUS Cups → US Gallonscup → galUS Pints → US Fluid Ouncespt → fl ozUS Quarts → US Fluid Ouncesqt → fl ozUS Gallons → US Fluid Ouncesgal → fl oz

Frequently asked questions

How do I convert US cups to US fluid ounces?

Use the formula fl oz = cup × 8. For example, 10 cup = 80 fl oz.

What is 1 US cup in US fluid ounces?

1 cup = 8 fl oz.

How do I convert US fluid ounces back to US cups?

Use cup = fl oz × 0.125. 1 fl oz = 0.125 cup.