Oz to mL Converter
This oz to mL converter changes US fluid ounces into milliliters as you type. One fluid ounce is about 29.57 mL, so the tool does the multiplication for you and shows the result right away, with a conversion table and the formula.
Last updated July 9, 2026 1 fl oz = 29.57 mL Reviewed by the Calcowa team
Fluid Ounces to Milliliters conversion table
Common fluid ounces values converted to milliliters, so you can read the answer straight off the chart.
| Fluid Ounces (fl oz) | Milliliters (mL) |
|---|---|
| 0.5 fl oz | 14.79 mL |
| 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 |
| 8 fl oz | 236.59 mL |
| 10 fl oz | 295.74 mL |
| 12 fl oz | 354.88 mL |
| 16 fl oz | 473.18 mL |
| 20 fl oz | 591.47 mL |
| 24 fl oz | 709.76 mL |
| 32 fl oz | 946.35 mL |
These are US fluid ounces. A UK (imperial) fluid ounce is about 28.41 mL, so UK measures come out a touch smaller in milliliters.
How to convert fluid ounces to milliliters
To convert fluid ounces to milliliters, multiply by the conversion factor. One fl oz equals 29.57 mL, so you just scale your number up or down from there.
Frequently asked questions
One US fluid ounce is about 29.57 mL. A common rounding is 30 mL per ounce, which is close enough for cooking but not for medicine or lab work.
About 3.38 US fluid ounces. To convert milliliters back to ounces, multiply by 0.033814, or use the mL to oz converter.
Multiply the fluid ounces by 29.5735 to get milliliters. For example, 8 fl oz times 29.5735 is about 236.6 mL, which is one US cup.
No. A fluid ounce measures volume and a weight ounce measures mass. This converter uses fluid ounces. For weight, use the oz to grams converter instead.
Related converters
Need another conversion?
Browse every unit converter in the hub.