US fluid ounces to millilitres
Multiply US fluid ounces by 29.5735 to get millilitres.
8 fl oz = 236.5882 mL
How to convert US fluid ounces to millilitres
The millilitre is one thousandth of a litre, equal to one cubic centimetre (cm³). The US fluid ounce is a US fluid ounce, one 128th of a gallon (29.5735295625 millilitres).
Worked example — 8 fl oz: 8 × 29.5735 = 236.5882 mL.
US fluid ounces to millilitres table
| US fluid ounces | Millilitres |
|---|---|
| 1 fl oz | 29.5735 mL |
| 2 fl oz | 59.1471 mL |
| 4 fl oz | 118.2941 mL |
| 6 fl oz | 177.4412 mL |
| 8 fl oz | 236.5882 mL |
| 12 fl oz | 354.8824 mL |
| 16 fl oz | 473.1765 mL |
| 20 fl oz | 591.4706 mL |
| 32 fl oz | 946.3529 mL |
Reverse and related
About US fluid ounces and millilitres
US fluid ounce (fl oz)
1 fl oz = 29.5735 mLDefinition. A US fluid ounce, one 128th of a gallon (29.5735295625 millilitres)
History and origin
The fluid ounce began as the volume of one ounce of wine or water and later diverged between the US and imperial systems. The US fluid ounce is one 128th of a gallon, about 29.6 millilitres.
Current use
Fluid ounces measure drink sizes and recipe liquids in the United States; the imperial fluid ounce used elsewhere is slightly smaller.
Source: NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents)
Millilitre (mL)
1 mL = 0.033814 fl ozDefinition. One thousandth of a litre, equal to one cubic centimetre (cm³)
History and origin
The millilitre is one thousandth of a litre, equal to one cubic centimetre. It came with the decimal metric system as the unit for small liquid volumes.
Current use
Millilitres are used for recipes, medicine doses and cosmetics, and are printed on most small bottles and cans.
Source: BIPM SI Brochure (2019); the litre is an SI-accepted unit (1 L = 1 dm³)
Where people use this
US fluid ounces: drink sizes, recipe liquids. Millilitres: recipes, medicine doses, cosmetics. A 12 fl oz can is about 355 mL.
Every value is carried to full double precision; the display is rounded.
Sources: BIPM SI Brochure (2019); the litre is an SI-accepted unit (1 L = 1 dm³); NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents).
Questions people ask
How many mL in a fluid ounce?
One US fluid ounce is about 29.57 mL. To convert fl oz to mL, multiply by 29.57.
How many mL is 8 fl oz?
8 fl oz, which is one US cup, is about 237 mL.
How many mL is 12 fl oz?
A 12 fl oz can is about 355 mL, and a 16 fl oz pint is about 473 mL.
How many mL is 2 fl oz?
2 fl oz is about 59 mL, and 4 fl oz is about 118 mL.