volume conversion
Convert Milliliters to US fluid ounces
One milliliter equals 0.03381 us fluid ounces. Enter any value below for an exact conversion.
How to convert Milliliters to US fluid ounces
- Type the number of milliliters into the first field.
- The equivalent in us fluid ounces appears immediately.
- Swap the units to convert in the opposite direction.
Milliliters to US fluid ounces formula
fl oz = ml × 0.03381
Worked example: to convert 12 ml, multiply 12 × 0.03381 = 0.40577 fl oz.
This conversion factor is exact by international definition rather than measured, so the only rounding is whatever you apply to the final answer.
Milliliters to US fluid ounces conversion table
| Milliliters | US fluid ounces |
|---|---|
| 1 ml | 0.03381 fl oz |
| 2 ml | 0.06763 fl oz |
| 5 ml | 0.16907 fl oz |
| 10 ml | 0.33814 fl oz |
| 25 ml | 0.84535 fl oz |
| 50 ml | 1.6907 fl oz |
| 100 ml | 3.3814 fl oz |
What is a milliliter?
One thousandth of a liter, exactly equal to one cubic centimeter. Medicine doses and recipe quantities are given in milliliters outside the US.
What is a us fluid ounce?
The US fluid ounce is 29.5735 ml. The UK imperial fluid ounce is 28.4131 ml — about 4% smaller — which is why US and UK recipes are not interchangeable.
Frequently asked questions
How many us fluid ounces are in a milliliter?
One milliliter is 0.03381 us fluid ounces.
How do I convert milliliters to us fluid ounces in my head?
Divide by 30. 500 ml → 16.7 fl oz, against an exact 16.91.
Is the conversion exact?
Yes. Both units are defined in terms of each other by international agreement, so the factor 0.03381 is exact rather than approximate.
How many milliliters is 100 fl oz?
100 fl oz is 2957.35 ml.
Which countries use us fluid ounces?
The United States. The UK uses a different fluid ounce that is 4% smaller, which is why US recipes need conversion rather than substitution.
Is my data uploaded to convert it?
No. The arithmetic runs in your browser. Nothing is sent anywhere.