ML to Oz Converter
Convert milliliters (ml) to US fluid ounces (fl oz) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
ml to oz formula
fl oz = ml ÷ 29.5735295625
1 milliliter = 0.0338 US fluid ounces · 1 US fluid ounce = 29.57 milliliters
To convert milliliters to US fluid ounces, divide the value by 29.5735295625. For example, 250 ml:
fl oz = 250 ÷ 29.5735295625fl oz = 8.453506
So 250 ml = 8.45 fl oz.
Mental math shortcut
Quick mental estimate: divide by 30. For 250 ml that gives about 8.33 fl oz — off by 0.1202 fl oz (1.4%). Use the exact formula when precision matters.
ml to oz conversion table
oz back to ml
The same values converted the other way, rounded for everyday use:
| US fluid ounces | Milliliters |
|---|---|
| 0.1691 fl oz | 5 ml |
| 0.5072 fl oz | 15 ml |
| 1.01 fl oz | 29.87 ml |
| 1.69 fl oz | 49.98 ml |
| 3.38 fl oz | 99.96 ml |
| 8.45 fl oz | 249.9 ml |
| 11.16 fl oz | 330.04 ml |
| 12 fl oz | 354.88 ml |
About the units
Milliliters (ml)
A milliliter is one thousandth of a liter, equal to one cubic centimeter. It is used for drinks, medicine doses and cooking.
US fluid ounces (fl oz)
A US fluid ounce is 1/128 of a US gallon, about 29.57 ml. (A UK imperial fluid ounce is slightly smaller, 28.41 ml.)
Frequently asked questions
How many US fluid ounces are in a milliliter?
One milliliter equals 0.0338 US fluid ounces.
What is 250 ml in oz?
250 ml = 8.45 fl oz.
How do I convert oz back to ml?
Multiply the US fluid ounces by 29.5735295625. Or use the Oz to ML converter.