How to convert milliliters to fluid ounces
To convert milliliters to fluid ounces, multiply by 0.0338140227018. Converting milliliters to US fluid ounces helps compare drink sizes, cosmetics and travel liquids labelled in different units.

Milliliter to Fluid Ounce conversion table
| Milliliter (mL) | Fluid Ounce (fl oz) |
|---|---|
| 0.1 mL | 0.00338140227018 fl oz |
| 0.5 mL | 0.0169070113509 fl oz |
| 1 mL | 0.0338140227018 fl oz |
| 2 mL | 0.0676280454037 fl oz |
| 3 mL | 0.101442068106 fl oz |
| 4 mL | 0.135256090807 fl oz |
| 5 mL | 0.169070113509 fl oz |
| 10 mL | 0.338140227018 fl oz |
| 20 mL | 0.676280454037 fl oz |
| 25 mL | 0.845350567546 fl oz |
| 50 mL | 1.69070113509 fl oz |
| 100 mL | 3.38140227018 fl oz |
| 500 mL | 16.9070113509 fl oz |
| 1,000 mL | 33.8140227018 fl oz |
About the units
Milliliter (mL)
A milliliter is one thousandth of a liter, equal to one cubic centimeter.
Fluid Ounce (fl oz)
A US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 mL.
How to use this converter
- Type the number of milliliters (mL) in the input box.
- The result in fluid ounces appears instantly — no button needed.
- See the same value in every other volume unit just below.
- Use “Swap units” to convert fluid ounces back to milliliters.
When you’ll use the milliliter to fluid ounce conversion
A European water bottle holds 750 mL and you track intake in fluid ounces. Converting gives about 25.4 fl oz.
You are comparing perfume bottles listed as 50 mL and 1.7 fl oz. Converting shows they are the same size.
💡 For a quick estimate in your head, multiply by about 0.034 (the exact factor is 0.0338140227018).
Watch out for these mix-ups
- Using UK fluid ounces for US labels.
- Confusing fluid ounces with weight.
- Rounding medicine doses.
- Assuming 30 mL is exact.

Tips for better results
- Divide milliliters by 29.57 for US fluid ounces.
- Use the label’s own measurement for medicine.
- Compare products in one unit.
💡 Practical tip: 100 mL is about 3.4 US fluid ounces, the familiar travel-size limit.
Frequently asked questions
How many fluid ounces are in one milliliter?
One milliliter equals 0.0338140227018 fluid ounces. 0.0338140227018 is the exact factor used by this converter.
How do I convert milliliters to fluid ounces?
Multiply the value in milliliters by 0.0338140227018. To go the other way, multiply fluid ounces by 29.5735295625.
What is 10 mL in fl oz?
10 mL = 0.338140227018 fl oz. Also, 5 mL = 0.169070113509 fl oz and 100 mL = 3.38140227018 fl oz.
What is the difference between a milliliter and a fluid ounce?
A milliliter is one thousandth of a liter, equal to one cubic centimeter. A US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 mL.
Is this tool free and private?
Yes — the Milliliter to Fluid Ounce is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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