ML to OZ Converter
Convert milliliters to fluid ounces, or fluid ounces to milliliters, instantly.
Volume Conversion Formulas
Fluid ounces = milliliters ÷ 29.5735. Milliliters = fluid ounces × 29.5735.
Worked example
Convert 500 ml to fluid ounces.
500 ÷ 29.5735 ≈ 16.907
500 ml ≈ 16.907 fl oz
Worked example (oz to ml)
Convert 12 fl oz (a standard soda can) to ml.
12 × 29.5735 = 354.882
12 fl oz = 354.882 ml
Quick reference: fl oz to ml
| Fluid ounces (US) | Milliliters |
|---|---|
| 1 fl oz | 29.57 |
| 8 fl oz (1 cup) | 236.59 |
| 12 fl oz (soda can) | 354.88 |
| 16.9 fl oz (water bottle) | ≈500 |
Keep going
- Milliliters-to-ounces and gallons-to-liters are the same metric-to-imperial volume conversion at opposite ends of the scale; the gallons to liters calculator handles the larger-volume version. Gallons ↔ Liters Calculator
Frequently Asked Questions
How many ounces are in a milliliter?
1 milliliter = 0.033814 fluid ounces (US).
How many milliliters are in an ounce?
1 fluid ounce (US) = 29.5735 milliliters.
Is a US fluid ounce the same as a UK fluid ounce?
No. A US fluid ounce is 29.5735 ml, while a UK (imperial) fluid ounce is slightly smaller at 28.4131 ml. This calculator uses the US definition, the one used on US product labels.
Why is bottled water labeled 16.9 fl oz instead of a round number?
Because it's matched to the metric size: 16.9 × 29.5735 ≈ 500 ml. Bottlers fill to the metric 500 ml standard first, then print the closest US fluid-ounce equivalent on the label.
What's a common mistake with ml to oz conversions?
Using the UK fluid ounce (28.4131 ml) by mistake. The difference is small per ounce, but it adds up: converting 1,000 ml with the US factor gives about 33.81 fl oz, while the UK factor gives about 35.2 fl oz.
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