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100 Fluid Ounces to Litres

100 fl-oz converted to l. Full working, formula and reference table below.

Category
volume
Input
100 fl-oz
Output
3
// INPUT01

Fluid Ounce

// OUTPUT02
3

Litre

Factor0.03
Inverse33.333333
Formulal = fl-oz × 0.03
Updated2026-05-25

OTHER AMOUNTS

fl-oz → l

Fluid Ounce to Litre Conversion Table

Common fluid ounce to litre values for quick reference.

Fluid OunceLitre
10.03
20.06
50.15
100.3
250.75
501.5
1003
2507.5
50015
100030

When you'd actually use this

Where you'd actually use fluid ounce → litre 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 Fluid Ounce to Litre, multiply the fluid ounce value by 0.03. This factor represents how many litre are equivalent to one fluid ounce.

Formula

Litre = Fluid Ounce × 0.03

Inverse (converting back)

Fluid Ounce = Litre × 33.333333

How to Convert Fluid Ounce to Litre

Convert fluid ounce to litre 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 fluid ounce you want to convert.

  2. Multiply by the factor

    Multiply the value by 0.03.

  3. Read your answer

    The result is the equivalent in litre.

Worked example

10 fluid ounce = 0.3 litre

10 × 0.03 = 0.3 litre.

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

What is a Litre?

A litre is the metric unit of volume equal to 1,000 millilitres or one cubic decimetre.

Origin

Defined in 1795 as part of the original metric system.

Notable uses

  • Fuel
  • Beverages
  • Recipe liquids

Frequently Asked Questions