What is US fluid ounce?

A US fluid ounce is a volume unit equal to approximately 29.57 millilitres. It is used in the United States for beverage servings, cooking measurements, and product labelling.

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.

Worked examples

1 US fluid ounce = 1.04084273 Imperial fluid ounce

1 Imperial fluid ounce = 0.02841306 litre

More Volume conversions

• Convert US fluid ounce to litre
• Convert US fluid ounce to millilitre
• Convert US fluid ounce to US gallon
• Convert US fluid ounce to cubic metre
• Convert US fluid ounce to Imperial gallon
• Convert US fluid ounce to Imperial fluid ounce
• Convert US fluid ounce to teaspoon (metric)
• Convert US fluid ounce to tablespoon (metric)
• Convert US fluid ounce to cubic centimetre