Millilitres to US fluid ounces
Multiply millilitres by 0.033814 to get US fluid ounces.
250 mL = 8.4535 fl oz
How to convert millilitres to US fluid ounces
The US fluid ounce is a US fluid ounce, one 128th of a gallon (29.5735295625 millilitres). The millilitre is one thousandth of a litre, equal to one cubic centimetre (cm³).
Worked example — 250 mL: 250 × 0.033814 = 8.4535 fl oz.
Millilitres to US fluid ounces table
| Millilitres | US fluid ounces |
|---|---|
| 30 mL | 1.0144 fl oz |
| 50 mL | 1.6907 fl oz |
| 100 mL | 3.3814 fl oz |
| 200 mL | 6.7628 fl oz |
| 250 mL | 8.4535 fl oz |
| 330 mL | 11.1586 fl oz |
| 355 mL | 12.004 fl oz |
| 500 mL | 16.907 fl oz |
| 1,000 mL | 33.814 fl oz |
Reverse and related
About millilitres and US fluid ounces
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)
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)
Where people use this
Millilitres: recipes, medicine doses, cosmetics. US fluid ounces: drink sizes, recipe liquids. A 500 mL bottle is about 16.9 fl oz.
Every value is carried to full double precision; the display is rounded.
Sources: NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents); BIPM SI Brochure (2019); the litre is an SI-accepted unit (1 L = 1 dm³).
Questions people ask
How many fl oz is 500 mL?
A 500 mL bottle is about 16.9 fl oz. To convert mL to fl oz, divide by 29.57.
How many fl oz is 100 mL?
100 mL is about 3.38 fl oz, and 250 mL is about 8.5 fl oz.
How many fl oz is 355 mL?
A 355 mL can is 12 fl oz.