Milliliters to Ounces
Type milliliters (mL), see US fluid ounces (fl oz).
By Akash Yadav Updated 22 October 2026
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The formula
How to convert milliliters to fluid ounces
To change milliliters into fluid ounces, multiply by 0.033814022702.
fluid ounces = milliliters × 0.033814022702
Going the other way: milliliters = fluid ounces × 29.5735295625
1 milliliter = 0.03381402 fluid ounces. This factor does not end, so results on this page are rounded.
Worked example
You have 250 milliliters. Multiply by 0.033814022702. 250 × 0.033814022702 = 8.4535 fl oz.
Common values
Milliliters to fluid ounces conversion table
| Milliliters (mL) | Fluid ounces (fl oz) |
|---|---|
| 1 mL | 0.0338 fl oz |
| 5 mL | 0.1691 fl oz |
| 10 mL | 0.3381 fl oz |
| 15 mL | 0.5072 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 | 11.1586 fl oz |
| 500 mL | 16.907 fl oz |
| 750 mL | 25.3605 fl oz |
| 1000 mL | 33.814 fl oz |
Before you rely on it
US fluid ounces, not Imperial
This page uses the US fluid ounce, which is what recipes, drink cans and bottles in the United States mean by "oz".
The UK Imperial fluid ounce is a slightly different size: 1 Imperial fl oz is about 28.41 mL, while 1 US fl oz is about 29.57 mL. So the same bottle shows a slightly smaller number in Imperial ounces.
Milliliters measure space, not weight. A milliliter of honey and a milliliter of water take up the same room but do not weigh the same.
Bottled drinks show why the ounce figures look odd: a 500 mL bottle is about 16.9 fl oz and a 330 mL can about 11.2 fl oz, because they were sized in milliliters first. For a rough figure, divide milliliters by 30; it runs about 1.4 percent low.
Common questions
Frequently asked questions
How many ounces is a 330 mL can?
A 330 mL can is about 11.16 US fl oz, which is why imported cans are often labelled 11.2 fl oz.
How many ounces is 500 mL?
500 mL is about 16.91 fl oz.
How many UK fluid ounces is 100 mL?
About 3.52 UK fluid ounces, against 3.38 US ones. The UK ounce is the smaller of the two, so the same amount comes to more of them. This page converts to US fluid ounces.
How many ounces are in a liter?
1 liter is about 33.81 fl oz.
How many ounces is 250 mL?
250 mL is about 8.45 fl oz — a little more than a US cup.
How many ounces is 750 mL?
750 mL, a standard wine bottle, is about 25.36 fl oz.
Keep going
Related converters
- Ounces to Milliliters fl oz → mL
- Milliliters to Liters mL → L
- Ounces to Cups fl oz → cup
- Liters to Gallons L → gal
- All volume converters
Read next
Guides that cover this conversion
Every factor on this page is listed in our conversion methodology.