How to convert millilitres to fluid ounces
Divide by 29.574 for US or 28.413 for UK ounces.
1
Enter millilitres
Use the volume on the bottle, carton or recipe.
2
Choose the system
US and UK fluid ounces differ by about 4%.
3
Read the result
Tablespoons and cups are shown for cooking conversions.
What does this tool do?
A US fluid ounce is 29.574 ml and a UK fluid ounce is 28.413 ml. Choose the system used by your recipe, bottle or measuring jug.
The Formula
US fl oz = ml ÷ 29.5735; UK fl oz = ml ÷ 28.4131Frequently Asked Questions
How many ml is 8 fl oz?
About 236.6 ml in US fluid ounces or 227.3 ml in UK fluid ounces.
Why is a UK fluid ounce smaller than a US one?
The imperial fluid ounce is 28.413 ml, while the US fluid ounce is 29.574 ml. The difference comes from the different gallon definitions.