milliliter to US fluid ounce
Convert milliliter (mL) to US fluid ounce (US fl oz). Use an editable volume converter, conversion formula, and reference table.
1 mL = 0.0338140227 US fl oz
Conversion formula
One milliliter equals 0.0338140227 US fluid ounce. Multiply your value in milliliter by this factor to get US fluid ounce. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 milliliter:5 × 0.0338140227 = 0.1690701135 US fl oz
Conversion table
| milliliter (mL) | US fluid ounce (US fl oz) |
|---|---|
| 0.01 | 0.000338140227 |
| 0.1 | 0.00338140227 |
| 1 | 0.0338140227 |
| 2 | 0.0676280454 |
| 5 | 0.1690701135 |
| 10 | 0.338140227 |
| 25 | 0.8453505675 |
| 50 | 1.690701135 |
| 100 | 3.38140227 |
| 1000 | 33.8140227 |
About these measurements
Volume describes three-dimensional space or liquid capacity.
The base reference used here is the liter. One milliliter is 0.001 base units; one US fluid ounce is 0.02957352956 base units.
Important distinctions
US liquid measures and Imperial measures are different. Dry gallons and recipe cups are excluded.
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert mL to US fl oz?
Multiply the quantity in mL by 0.0338140227. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the US fluid ounce to milliliter converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
