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Fluid ounces to millilitres
1 US fluid ounce = 29.57 ml. A UK fluid ounce is slightly smaller at 28.4 ml. Convert below.
Millilitres29.6millilitres
Fluid ounces to ml chart
| Fluid ounces | Millilitres |
|---|---|
| 1 fl oz | 29.6 ml |
| 2 fl oz | 59.1 ml |
| 4 fl oz | 118.3 ml |
| 8 fl oz | 236.6 ml (1 cup) |
| 16 fl oz | 473.2 ml (1 pint) |
A US fluid ounce is 29.57 ml; a UK/imperial fluid ounce is 28.41 ml. The difference matters for larger volumes.
Frequently asked questions
How many ml in a fluid ounce?
A US fluid ounce is 29.57 ml. A UK fluid ounce is 28.41 ml.
How many ml is 8 fl oz?
8 US fluid ounces is 236.6 ml, which is 1 US cup.