What is Imperial fluid ounce?

An Imperial fluid ounce is a volume unit used in the United Kingdom equal to approximately 28.41 millilitres. It is used in British cooking recipes, beverage servings, and pharmaceutical labelling.

What is litre?

The litre is a metric unit of volume equal to one cubic decimetre. It is widely used for measuring liquid quantities in cooking, beverages, fuel, and laboratory work across metric countries.

Worked examples

1 Imperial fluid ounce = 0.02841306 litre

1 litre = 1 litre