US Cups to US Fluid Ounces Converter

Exact conversion

US Cups to us fluid ounces formula

fl oz = cup × 8

1 cup equals 8 fl oz. 10 cup equals 80 fl oz.

About these units

cup
US cup (cup) is a volume unit used in this converter.
fl oz
US fluid ounce (fl oz) is a volume unit used in this converter.

Before you use the result

cup to fl oz context and checks

Best use
Use volume conversions for containers, liquids, material capacity, kitchen measures, and tank or package labels.
Common mistake
Volume is not weight. If the source is pounds, kilograms, ounces, or grams, use a density-aware conversion instead.
Precision note
Check whether gallons are US or imperial, and keep that convention visible before ordering or labeling material.

Example check: 1 cup converts to 8 fl oz. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.

Common cup to fl oz conversion table

cupfl oz
1 cup8 fl oz
5 cup40 fl oz
10 cup80 fl oz
25 cup200 fl oz
50 cup400 fl oz
100 cup800 fl oz

Volume guide

How to use the US Cups to US Fluid Ounces Converter

Convert us cups (cup) to us fluid ounces (fl oz) with the exact volume formula, worked examples, and a common-values table. Use the instant result for the us cups to us fluid ounces conversion, then check the common-value table, reverse link, and unit notes before copying the answer.

  1. 1

    Enter US Cups

    Type the us cups value you want to convert. Decimal values work when you need a partial unit.

  2. 2

    Read US Fluid Ounces

    Use the main result for the exact us fluid ounces value, then scan the common-value table for nearby reference points.

  3. 3

    Confirm US Cups to US Fluid Ounces

    Confirm that us cups and us fluid ounces are the units you need. Some kitchen, package, and ingredient conversions depend on whether the source is weight, volume, or density-based.