To convert fluid ounces (oz) to milliliters, multiply by 29.5735. So 1 oz = 29.57 ml, 8 oz = 236.6 ml, and 16 oz = 473.2 ml. "Oz" in liquid recipes means fluid ounce - 1 US fl oz = 29.5735 ml exactly.
- Formula: ml = oz × 29.5735. Quick mental anchor: 1 oz is about 30 ml.
- 8 oz = 236.6 ml = 1 cup. 12 oz = 355 ml (standard can). 16 oz = 473 ml = 1 pint.
- In liquids, "oz" means fluid ounce. Dry ounce (weight) is a different unit entirely.
- US fl oz (29.57 ml) vs UK fl oz (28.41 ml) - this converter uses US.
How to use our oz to ml converter
Type any oz value in the oz field and the ml result appears instantly. You can also type in the ml field to convert back to oz - both directions work without pressing a button.
How do you convert oz to ml?
Multiply the number of fluid ounces by 29.5735. This is the exact US customary definition: 1 US fl oz = 29.5735 ml. When you see "oz" in a beverage or liquid recipe, it always means fluid ounce, not the weight unit.
$$\text{ml} = \text{oz} \times 29.5735$$
Worked examples: 1 oz = 29.57 ml. 2 oz = 59.15 ml. 4 oz = 118.3 ml. 8 oz = 236.6 ml. 12 oz = 354.9 ml. 16 oz = 473.2 ml. 32 oz = 946.4 ml.
How do you convert ml to oz?
Multiply milliliters by 0.033814. See the dedicated ml to oz converter for a ml-first reference table.
$$\text{oz} = \text{ml} \times 0.033814$$
Worked examples: 100 ml = 3.38 oz. 250 ml = 8.45 oz. 500 ml = 16.91 oz. 1,000 ml = 33.81 oz.
Ounces to milliliters reference table
Standard oz values converted to ml, covering common beverage sizes and recipe measurements:
| Ounces (oz) | Milliliters (ml) | Context |
|---|---|---|
| 1 oz | 29.57 ml | Shot glass |
| 2 oz | 59.15 ml | Double shot / small measure |
| 4 oz | 118.3 ml | Half cup / small glass |
| 6 oz | 177.4 ml | Small coffee / juice |
| 8 oz | 236.6 ml | 1 cup |
| 10 oz | 295.7 ml | Large glass |
| 12 oz | 354.9 ml | Standard can (soda, beer) |
| 16 oz | 473.2 ml | 1 pint |
| 20 oz | 591.5 ml | Large fountain drink |
| 32 oz | 946.4 ml | Large Nalgene / quart |
| 64 oz | 1,892.7 ml | Half gallon |
FAQs about converting oz to ml
How many ml is 1 oz?
1 US fluid ounce equals 29.5735 ml. Quick reference: 1 oz is about 30 ml. For the TSA travel limit: 3.4 oz = 100 ml.
How many ml is 8 oz?
8 oz equals 236.6 ml. 8 × 29.5735 = 236.6 ml. This is 1 US cup - the standard measuring cup size used in American recipes.
How many ml is 16 oz?
16 oz equals 473.2 ml. 16 × 29.5735 = 473.2 ml. This is 1 US pint - a common beer glass size and standard large bottle.
How many oz is 500 ml?
500 ml equals 16.91 oz. 500 × 0.033814 = 16.91 oz. A standard 500 ml water bottle is about 16.9 fl oz.