Oz to ML

This calculator converts fluid ounces to milliliters for cooks, travelers, and anyone reading a container marked in the wrong unit.

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Enter the number of fluid ounces and select US or Imperial ounces if that option is available. The result shows the equivalent volume in milliliters.

For US fluid ounces, milliliters = fluid ounces × 29.5735. For Imperial fluid ounces, milliliters = fluid ounces × 28.4131.

Worked example

A US recipe calls for 8 fluid ounces of milk. Calculate 8 × 29.5735 to get 236.59 ml, usually rounded to 237 ml.

No. One US fluid ounce is about 29.57 ml, though 30 ml is often close enough for casual cooking.

No. A US fluid ounce is 29.5735 ml, while an Imperial fluid ounce is 28.4131 ml, because apparently one ounce needed two definitions.