millilitres to US fluid ounces converter
1 ml = 0.0338140227 fl oz. Type a value in either box — the other side updates instantly, using the exact definition factor, not a rounded shortcut. Cocktail measures, coffee shots and medicine doses: a standard soda can is 355 ml, which is 12 US fluid ounces.
Rate: 1 ml = 0.0338140227 fl oz · 1 fl oz = 29.5735295625 ml
Formula and a worked example
US fluid ounces = millilitres × 0.0338140227. Worked example: 355 ml × 0.0338140227 = 12.003978 fl oz. To go back, divide by the same factor (or multiply by 29.5735295625).
Where the factor comes from: The US fluid ounce is one 128th of a US gallon: 29.5735295625 millilitres. Factors on UnitPairs follow the NIST definitions, so results agree between pages to the last digit shown.
millilitres to US fluid ounces chart
| millilitres (ml) | US fluid ounces (fl oz) |
|---|---|
| 30 | 1.014421 |
| 50 | 1.690701 |
| 100 | 3.381402 |
| 150 | 5.072103 |
| 250 | 8.453506 |
| 330 | 11.158627 |
| 355 | 12.003978 |
| 500 | 16.907011 |
| 750 | 25.360517 |
| 1,000 | 33.814023 |
Questions
How many US fluid ounces are in one millilitre?
Exactly 0.0338140227 fl oz — that is the rate this converter applies in both directions.
How do I convert ml to fl oz by hand?
Multiply the millilitres value by 0.0338140227. For a rough mental estimate, 0.034 is usually close enough — but use the full factor for anything you plan to build, buy or dose.
How accurate is this converter?
The factors are the exact international definitions, so the only rounding is in the display — results are shown to six decimal places, and the underlying value is never pre-rounded.
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