Convert between fluid ounces and milliliters, whether for US fluid ounces or British Imperial fluid ounces, using this tool and chart.
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Ounces and ml conversion charts
| US fluid ounces (to milliliters) |
|---|
| US Fluid Ounces | Milliliters |
|---|
| 1 fl oz | 29.57 mL |
| 2 fl oz | 59.15 mL |
| 3 fl oz | 88.72 mL |
| 4 fl oz | 118.29 mL |
| 5 fl oz | 147.87 mL |
| 6 fl oz | 177.44 mL |
| 7 fl oz | 207.01 mL |
| 8 fl oz | 236.59 mL |
| 9 fl oz | 266.16 mL |
| 10 fl oz | 295.74 mL |
| 12 fl oz | 354.88 mL |
| 14 fl oz | 414.03 mL |
| 16 fl oz | 473.18 mL |
| 18 fl oz | 532.32 mL |
| 20 fl oz | 591.47 mL |
| 24 fl oz | 709.76 mL |
| 32 fl oz | 946.35 mL |
| 64 fl oz | 1892.71 mL |
Note: conversions are for US fluid ounces to milliliters. All figures rounded.
| Milliliters | US Fluid Ounces |
|---|
| 25 mL | 0.85 fl oz |
| 50 mL | 1.69 fl oz |
| 75 mL | 2.54 fl oz |
| 100 mL | 3.38 fl oz |
| 150 mL | 5.07 fl oz |
| 200 mL | 6.76 fl oz |
| 250 mL | 8.45 fl oz |
| 300 mL | 10.14 fl oz |
| 350 mL | 11.83 fl oz |
| 400 mL | 13.53 fl oz |
| 500 mL | 16.91 fl oz |
| 750 mL | 25.36 fl oz |
| 1000 mL | 33.81 fl oz |
Figures are rounded. US fluid ounces.
How many ml are in a fluid ounce?
One US fluid ounce is equal to 29.5735 milliliters (mL). If you're in the UK or another Commonwealth country, the fluid ounce you are referencing is the Imperial fluid ounce, which is slightly smaller than the US fluid ounce, at approximately 28.413 milliliters.
1 oz to ml
One US ounce of milliliters (or US fluid ounces) converts to approximately 29.574 mL. Note that US and UK fluid ounces are slightly different. 1 fl oz converts as follows:
1 US fluid ounce = 29.5735 mL
1 British fluid ounce = 28.4131 mL
16 US fluid ounces to mL
16 British fluid ounces to mL
How many ounces in 500ml?
500 mL is equivalent to 16.91 US fluid ounces or 17.6 British Imperial fluid ounces. This is equivalent to a bit less than a US pint (16 fl oz).
The fluid ounce is a unit of measure in volume, whereas the ml (or mL) is also used for volume as well. So, if you're trying to measure an ingredient in terms of how it is priced on a container, you'd want to keep in the context of the equivalent or more for it correctly. For reference, a 500mL bottle of water holds about 2 US cups, approximately 16.91 US fluid ounces (507g), and a 750ml bottle of red wine equals about 25.36 ounces.
500ml to ounces
500ml is equivalent to 16.91 US fluid ounces or 17.6 British Imperial fluid ounces. You can also use our ml to cups converter for that, provided that your recipe calls for a cup measurement. Now to convert 500ml to fluid ounces, the formula is as follows:
750ml to ounces
750ml is equivalent to 25.36 US fluid ounces or 26.4 British Imperial fluid ounces. Remember that US fluid ounces are slightly larger than British fluid ounces.
How to convert ounces to milliliters
To convert US fluid ounces to milliliters, multiply your fluid ounces figure by 29.5735. If you're referencing British Imperial fluid ounces, multiply your figure by 28.4131 instead. The US fluid ounce is slightly larger than its British Imperial counterpart.
The fact that there are two different ml equivalents makes it a bit tricky in that it is very easy to use mismatched units, so it's worth checking which type of fluid ounce you're working with.
Although they are both around the same size, there are subtle but key differences: the US fluid ounce is based on the US system, the British on its own standard. The US fluid ounce is larger than the British fluid ounce because the US pint equals 16 of its fluid ounces, whereas the UK pint (568mL) divides into 20 of its fluid ounces.
The formula for converting US fluid ounces to milliliters looks like this:
How to convert milliliters to ounces
To convert milliliters to US fluid ounces, divide your milliliters figure by 29.5735. If you're referencing British Imperial fluid ounces, divide your figure by 28.4131 instead.
Other Cooking Units
Whilst you're here, it's worth mentioning our cooking calculators to help you convert between different recipe units.
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