Millilitres to US fluid ounces Converter
Type a number to convert millilitres to US fluid ounces. The result updates as you type, and you can swap the units to convert back.
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The formula
US fluid ounces = millilitres x 0.03381
How to convert millilitres to US fluid ounces
To convert millilitres to US fluid ounces, multiply by 0.03381. One millilitre equals 0.03381 US fluid ounces, and one US fluid ounce equals 29.574 millilitres.
A worked example
12 millilitres is 0.40577 US fluid ounces.
Quick conversion table
| Millilitres | US fluid ounces |
|---|---|
| 5 ml | 0.16907 fl oz |
| 10 ml | 0.33814 fl oz |
| 15 ml | 0.50721 fl oz |
| 30 ml | 1.0144 fl oz |
| 50 ml | 1.6907 fl oz |
| 100 ml | 3.3814 fl oz |
| 150 ml | 5.0721 fl oz |
| 200 ml | 6.7628 fl oz |
| 250 ml | 8.4535 fl oz |
| 330 ml | 11.159 fl oz |
| 500 ml | 16.907 fl oz |
| 750 ml | 25.361 fl oz |
| 1,000 ml | 33.814 fl oz |
And the other way: US fluid ounces to millilitres
| US fluid ounces | Millilitres |
|---|---|
| 1 fl oz | 29.574 ml |
| 2 fl oz | 59.147 ml |
| 5 fl oz | 147.87 ml |
| 10 fl oz | 295.74 ml |
| 20 fl oz | 591.47 ml |
| 25 fl oz | 739.34 ml |
| 50 fl oz | 1,478.68 ml |
| 100 fl oz | 2,957.35 ml |
When you will need it
Drinks, medicine doses, cosmetics limits for flights and baby bottles are the usual cases.
There are about 29.57 ml in a US fluid ounce, so a 100 ml travel bottle is roughly 3.4 fl oz.
Millilitres to US fluid ounces Converter: frequently asked questions
How many US fluid ounces are in one millilitre?
One millilitre is 0.03381 US fluid ounces.
How many millilitres are in one US fluid ounce?
One US fluid ounce is 29.574 millilitres.
Is this millilitres to US fluid ounces conversion exact?
The factor is exact where the units are defined that way, and we show the result rounded for readability.
How exact is the conversion?
It uses the internationally agreed definitions, and rounds only the number you see.
Is what I enter in this converter saved or sent anywhere?
No. The calculation runs in your browser, so what you enter is not sent to our servers. We only count, anonymously, whether a tool ran successfully.
Is this converter free to use?
Yes. It is free, needs no sign-up and has no usage limit.
Last reviewed: October 3, 2026