Convertify

UNIT.CONVERSION

Cup to Fluid Ounce

Convert cup (cup) to fluid ounce (fl-oz) with a live calculator, reference table and formula.

Category
volume
From
cup
To
fl-oz
Factor
8.333333
// INPUT01

Cup

// OUTPUT02
8.333333

Fluid Ounce

Factor8.333333
Inverse0.12
Formulafl-oz = cup × 8.333333
Updated2026-05-25

TRY AMOUNTS

cup → fl-oz
cup → fl-oz2 cup5 cup10 cup25 cup50 cup100 cup500 cup1000 cup

Cup to Fluid Ounce Conversion Table

Common cup to fluid ounce values for quick reference.

CupFluid Ounce
18.333333
216.666667
541.666667
1083.333333
25208.333333
50416.666667
100833.333333
2502,083.333333
5004,166.666667
10008,333.333333

When you'd actually use this

Where you'd actually use cup → fluid ounce in everyday Australian life.

  • Cooking from overseas recipes

    American and British cookbooks rarely use the same volume units as Australian ones.

  • Online shopping

    Product specs from US stores often list volume in imperial units.

  • Travel and fitness apps

    Apps that default to a different region may show volume you need to translate.

Conversion Formula

To convert Cup to Fluid Ounce, multiply the cup value by 8.3333333. This factor represents how many fluid ounce are equivalent to one cup.

Formula

Fluid Ounce = Cup × 8.3333333

Inverse (converting back)

Cup = Fluid Ounce × 0.12

How to Convert Cup to Fluid Ounce

Convert cup to fluid ounce in three steps. The relationship is a single multiplication, so once you know the factor you can do it in your head for round numbers.

  1. Start with your value

    Take the number of cup you want to convert.

  2. Multiply by the factor

    Multiply the value by 8.333333.

  3. Read your answer

    The result is the equivalent in fluid ounce.

Worked example

10 cup = 83.333333 fluid ounce

10 × 8.333333 = 83.333333 fluid ounce.

What is a Cup?

An Australian cup is 250 millilitres, used throughout Australian recipes and cooking.

Origin

Standardised by Standards Australia in the 1970s.

Notable uses

  • Australian recipes
  • Cooking measurement

What is a Fluid Ounce?

A fluid ounce in this converter defaults to the US value of approximately 30 ml. (The imperial fl oz is 28.4 ml — a small but noticeable difference in recipes.)

Origin

Originally defined as the volume of one avoirdupois ounce of wine; modern US definition is exactly 29.5735 ml (rounded to 30 here).

Notable uses

  • US beverage labels
  • American recipes

Frequently Asked Questions