Type a number of milliliters and this converter shows the answer in US fluid ounces instantly (1 ml = 0.033814 fl oz). Below the converter you will find a ready-made ml to fl oz table, and further down the formula with a worked example.
Milliliters are printed on drinks, cosmetics and medicine worldwide, while US labels and recipes use fluid ounces. Common conversions include a 330 ml can (11.2 fl oz), a 500 ml water bottle (16.9 fl oz), baby bottle feeds measured in ml or oz, and the 100 ml airport liquids limit, which is 3.4 fl oz.
How to use the ML to OZ tool
- Enter the value in milliliters in the Value box. Decimals such as 250.5 are fine.
- The result in US fluid ounces appears straight away, rounded to six significant digits.
- Check the formula line under the result to see exactly how it was calculated.
- Press ⇄ to convert US fluid ounces back to milliliters, or pick any other unit from the lists.
- Use Copy result, or look up common values in the conversion table.
Why use ToolOrca ML to OZ
- Exact factor: 1 ml = 0.033814 fl oz
- Conversion table: ml to fl oz
- Formula and worked example included
- Instant result as you type
- Converts to every other volume unit too
- Free, private and works offline
How to convert milliliters to US fluid ounces
A milliliter is one thousandth of a liter, the same as one cubic centimeter. One US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 ml. So 1 ml = 0.0338140227 fl oz, and 1 fl oz = 29.5735296 ml.
To convert milliliters to US fluid ounces, multiply the number of milliliters by 0.033814023.
Worked example: 500 ml × 0.033814023 = 16.907 fl oz.
Quick mental math for ml to fl oz
Divide by 30: 300 ml ÷ 30 = 10 fl oz (exact 10.14). Remember the UK fluid ounce is slightly smaller (28.41 ml), so British recipes give a little more ounces for the same volume.
Need the opposite direction? Use the US fluid ounces to milliliters converter, or switch units with the ⇄ button above.
Frequently asked questions
How many US fluid ounces is 100 ml?
100 ml is 3.3814 fl oz (100 × 0.033814023 = 3.3814).
How many US fluid ounces is 330 ml?
330 ml is 11.1586 fl oz (330 × 0.033814023 = 11.1586).
How many US fluid ounces is 750 ml?
750 ml is 25.3605 fl oz (750 × 0.033814023 = 25.3605).
What is the formula to convert milliliters to US fluid ounces?
To convert milliliters to US fluid ounces, multiply the number of milliliters by 0.033814023. To go the other way, use the US fluid ounces to milliliters converter.
Is this US or UK fluid ounces?
This page converts to US fluid ounces (29.5735 ml). A UK imperial fluid ounce is 28.4131 ml, so 100 ml is 3.52 UK fl oz but 3.38 US fl oz.