Ml to Fluid Ounces (US) Converter
Enter a value in milliliters to convert it to US fluid ounces — 1 mL = 0.0338 fl oz.
Reviewed by the ToolNestr Editorial Team — July 2026
How to convert milliliters to US fluid ounces
Converting milliliters to US fluid ounces is a simple multiplication: take your volume in milliliters and multiply by the fixed conversion factor of 0.0338140227 to get US fluid ounces. Because the factor never changes, the same calculation works for any value, from tiny amounts to very large ones. The converter above applies it the moment you type, with no rounding errors in the underlying maths.
Handy for drinks and recipes when a metric volume needs to be read in US fluid ounces. Knowing how to move between milliliters and US fluid ounces is useful whenever measurements are given in one system but you need them in the other — for shopping, travel, study, cooking, engineering or simply comparing figures from different countries.
The reference table below lists common milliliters values already converted to US fluid ounces, so you can read off everyday amounts at a glance without typing. For the opposite direction, use the Fluid Ounces to Ml Converter, which reverses the calculation exactly.
The formula and a worked example
Formula
fl oz = mL × 0.0338140227
Worked example
To convert 10 milliliters: 10 × 0.0338140227 = 0.3381 fl oz. To convert 25 milliliters: 25 × 0.0338140227 = 0.8454 fl oz.
Ml to Fluid Ounces (US) conversion table
| Milliliters (mL) | Fluid Ounces (fl oz) |
|---|---|
| 1 | 0.0338 |
| 2 | 0.0676 |
| 5 | 0.1691 |
| 10 | 0.3381 |
| 25 | 0.8454 |
| 50 | 1.6907 |
| 100 | 3.3814 |
| 250 | 8.4535 |
| 500 | 16.907 |
| 1,000 | 33.814 |
Values are rounded for display; the converter above keeps full precision.
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Frequently asked questions
How do I convert milliliters to US fluid ounces?
Multiply the number of milliliters by 0.0338140227. For example, 10 mL × 0.0338140227 = 0.3381 fl oz. The converter above does this automatically.
How many US fluid ounces are in one milliliters?
There are 0.0338 US fluid ounces in one milliliters. Multiply by 0.0338140227 for any amount.
Is this Ml to Fluid Ounces (US) converter accurate?
Yes. It uses the exact conversion factor of 0.0338140227, so results are precise. Values shown in the table are rounded for readability.
How do I convert US fluid ounces back to milliliters?
Use our Fluid Ounces to Ml Converter for the reverse direction, or divide the US fluid ounces value by 0.0338140227.