Convert US fluid ounces to milliliters
Converting US fluid ounces to milliliters is a common volume task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 fl oz equals 29.5735 ml, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert US fluid ounces to milliliters
To convert US fluid ounces to milliliters, multiply the number of US fluid ounces by 29.5735. For example, 10 fl oz × 29.5735 = 295.735 ml.
ml = fl oz × 29.5735
- Write down the value in US fluid ounces you want to convert.
- Multiply it by 29.5735 (the exact fl oz→ml factor).
- The result is your value in milliliters. Check it below with the converter or the table.
Conversion table
Common values of US fluid ounces and their equivalents in milliliters:
| fl oz | ml |
|---|---|
| 1 | 29.5735 |
| 2 | 59.1471 |
| 3 | 88.7206 |
| 4 | 118.294 |
| 5 | 147.868 |
| 10 | 295.735 |
| 20 | 591.471 |
| 25 | 739.338 |
| 50 | 1,478.68 |
| 100 | 2,957.35 |
| 250 | 7,393.38 |
| 500 | 14,786.8 |
About these units
US Fluid Ounce (fl oz). The US fluid ounce is exactly 1/128 of a US gallon, or 29.5735295625 milliliters. Beverage cans, cosmetic bottles and cocktail recipes use fluid ounces.
Milliliter (ml). A milliliter is one thousandth of a liter, equal to one cubic centimeter. Medicine doses, cosmetics and recipes are measured in milliliters.
Frequently asked questions
How do I convert US fluid ounces to milliliters?
To convert US fluid ounces to milliliters, multiply the number of US fluid ounces by 29.5735. For example, 10 fl oz × 29.5735 = 295.735 ml. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many milliliters are in 1 us fluid ounce?
1 fl oz = 29.5735 ml. That is the fixed relationship used by this converter and by international standards.
How many US fluid ounces are in 1 milliliter?
1 ml = 0.033814 fl oz. If you are converting in the opposite direction, use our Milliliter to US Fluid Ounce converter for the dedicated table and FAQ.
Is the US fluid ounces to milliliters conversion exact?
Yes. Both units are defined by international agreement, so the factor of 29.5735 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is us fluid ounce used for?
The US fluid ounce is exactly 1/128 of a US gallon, or 29.5735295625 milliliters. Beverage cans, cosmetic bottles and cocktail recipes use fluid ounces.