Fluid ounces to ml
One fl oz equals 29.57352956 ml. Type any number and the answer appears as you type — the maths happens in your browser.
The same value in every unit
| Unit | Value |
|---|
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Common values
| fluid ounces | ml |
|---|---|
| 1 fl oz | 29.57353 ml |
| 2 fl oz | 59.147059 ml |
| 3 fl oz | 88.720589 ml |
| 5 fl oz | 147.86765 ml |
| 10 fl oz | 295.7353 ml |
| 15 fl oz | 443.60294 ml |
| 20 fl oz | 591.47059 ml |
| 25 fl oz | 739.33824 ml |
| 50 fl oz | 1478.6765 ml |
| 100 fl oz | 2957.353 ml |
| 500 fl oz | 14786.765 ml |
| 1000 fl oz | 29573.53 ml |
How to use
- Enter the number of fluid ounces in the field.
- The result in ml updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: ml = fl oz × 29.57352956. Going back the other way, one ml is 0.0338140227 fl oz.
Where the odd number comes from
The factor is not a round number because the imperial units are defined through the metric ones by international agreement: an inch is exactly 25.4 mm and a pound is exactly 0.45359237 kg. Everything else follows from those definitions.
ml = fl oz × 29.57352956
Frequently asked questions
How many ml are in one fluid ounces?
One fl oz is 29.57352956 ml.
How do I convert fluid ounces to ml?
Multiply by the factor: ml = fl oz × 29.57352956.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert ml back to fluid ounces?
One ml is 0.0338140227 fl oz — or open the reverse page linked below.