Converter
US fluid ounces to Millilitres
1 fl oz is 29.5735 ml. Type any amount below and the answer follows as you type, on your device.
The answer follows what you type, rounded to six significant figures. Nothing is sent anywhere.
The formula
ml = fl oz × 29.5735
Multiply the US fluid ounce figure by 29.5735.
Worked example
How many millilitres are in 4 US fluid ounces?
4 fl oz → 118.294 ml
Multiply 4 by 29.5735. The answer is 118.294 ml.
Quick reference
The common values, rounded to six significant figures.
| US fluid ounces (fl oz) | millilitres (ml) |
|---|---|
| 1 | 29.5735 |
| 2 | 59.1471 |
| 4 | 118.294 |
| 8 | 236.588 |
| 12 | 354.882 |
| 16 | 473.176 |
| 32 | 946.353 |
When you need this
A drink recipe, a cocktail measure or an American bottle size lands in millilitres, which is what every Australian container and measuring jug shows.
The factor above is the exact legal definition of each unit, not a rounded one, so the answers stay right at any size. Nothing here is sent to a server: the conversion runs in the page.