Convert milliliters to fluid ounces instantly. Enter a value below, or use the formula and reference table further down the page.
In practice
Millilitres to fluid ounces depends on the ounce: a US fluid ounce is 29.5735 ml, while a UK (imperial) fluid ounce is 28.4131 ml. For a quick estimate, 30 ml is about 1 US fl oz, so a 330 ml can is about 11.2 US fl oz and a 500 ml bottle is 16.9 fl oz. This is a volume conversion — fluid ounces are not the same as weight ounces, and a fluid ounce of honey weighs far more than a fluid ounce of water. If you need weight, use the specific ingredient's density instead.
How to convert milliliters to fluid ounces
Multiply the value by 0.0338140227.
fl oz = mL × 0.0338140227Example: 10 mL = 0.3381 fl oz.
Milliliters to Fluid Ounces conversion table
| Milliliters (mL) | Fluid Ounces (fl oz) |
|---|---|
| 1 mL | 0.0338 fl oz |
| 2 mL | 0.0676 fl oz |
| 3 mL | 0.1014 fl oz |
| 4 mL | 0.1353 fl oz |
| 5 mL | 0.1691 fl oz |
| 10 mL | 0.3381 fl oz |
| 15 mL | 0.5072 fl oz |
| 20 mL | 0.6763 fl oz |
| 25 mL | 0.8454 fl oz |
| 50 mL | 1.6907 fl oz |
| 100 mL | 3.3814 fl oz |
Frequently asked questions
How many fluid ounces is 1 milliliter?
1 milliliter equals 0.0338 fluid ounces.
What is the formula to convert mL to fl oz?
To convert mL to fl oz, multiply the value by 0.0338140227. The full formula is: fl oz = mL × 0.0338140227.
How do I convert fluid ounces back to milliliters?
Use the same calculator above and type your value into the fluid ounces field instead — it converts in both directions. Or use the reverse formula: mL = fl oz ÷ 0.0338140227.
Is the mL to fl oz conversion exact?
The conversion factor used here (0.0338140227) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.