To convert milliliters to ounces, multiply by 0.033814. So 100 ml = 3.38 oz, 250 ml = 8.45 oz, and 500 ml = 16.91 oz. "Oz" here means fluid ounce (volume), not weight. 1 US fluid oz = 29.5735 ml.
- Formula: oz = ml × 0.033814. Quick mental anchor: 30 ml is about 1 oz.
- 100 ml = 3.38 oz (just under the 3.4 oz TSA travel limit).
- 250 ml = 8.45 oz. 500 ml = 16.91 oz. 1,000 ml = 33.81 oz.
- Reverse: ml = oz × 29.5735.
How to use our ml to oz converter
Type any ml value in the ml field and the oz result appears instantly. You can also type in the oz field to convert back to ml - both directions work without pressing a button.
How do you convert ml to oz?
Multiply the number of milliliters by 0.033814. This factor is 1 divided by 29.5735 (the ml equivalent of 1 US fl oz). It converts metric volume directly to US customary volume.
$$\text{oz} = \text{ml} \times 0.033814$$
Worked examples: 30 ml = 1.01 oz. 100 ml = 3.38 oz. 150 ml = 5.07 oz. 250 ml = 8.45 oz. 355 ml = 12.0 oz. 500 ml = 16.91 oz. 750 ml = 25.36 oz. 1,000 ml = 33.81 oz.
How do you convert oz to ml?
Multiply oz by 29.5735. See the dedicated oz to ml converter for an oz-first reference table.
$$\text{ml} = \text{oz} \times 29.5735$$
Worked examples: 1 oz = 29.57 ml. 8 oz = 236.6 ml. 12 oz = 354.9 ml. 16 oz = 473.2 ml.
Milliliters to ounces reference table
Common ml values converted to oz, with everyday reference points:
| Milliliters (ml) | Ounces (oz) | Context |
|---|---|---|
| 30 ml | 1.01 oz | Shot glass |
| 50 ml | 1.69 oz | Miniature bottle |
| 100 ml | 3.38 oz | TSA travel limit |
| 150 ml | 5.07 oz | Small juice glass |
| 200 ml | 6.76 oz | Small can / glass |
| 250 ml | 8.45 oz | Standard glass |
| 330 ml | 11.15 oz | European can |
| 355 ml | 12.00 oz | US standard can |
| 500 ml | 16.91 oz | Standard water bottle |
| 750 ml | 25.36 oz | Wine bottle |
| 1,000 ml | 33.81 oz | 1 liter bottle |
Frequently asked questions about ml to oz
How many oz is 100 ml?
100 ml equals 3.38 oz. This is just under the TSA's 3.4 oz carry-on limit for liquids. 100 ml containers technically comply with the rule.
How many oz is 250 ml?
250 ml equals 8.45 oz. A standard drinking glass holds about 250 ml or roughly 8.5 fl oz.
How many oz is 500 ml?
500 ml equals 16.91 oz. A standard 500 ml water bottle is labeled as 16.9 fl oz on US packaging.
How many oz is 1 liter?
1 liter (1,000 ml) equals 33.81 oz. 1,000 × 0.033814 = 33.81 oz. A 1 L bottle contains about 33.8 fl oz.