Convert US fluid ounces to millilitres
Enter a value in US fluid ounces (US fl oz) to get millilitres (ml). One US fluid ounce is 29.5735 millilitres; one millilitre is 0.033814 US fluid ounces.
How to use the US fluid ounce to millilitre
- Type the number of US fluid ounces.
- Click Convert.
- Read the result in millilitres, plus the same value in every other volume unit.
US fl oz to ml formula
millilitres = US fluid ounces × 29.5735. To go the other way, US fluid ounces = millilitres × 0.033814 (see millilitres to US fluid ounces).
Worked example
12 US fl oz × 29.5735 = 354.8824 ml.
US fluid ounces to millilitres conversion table
| US fluid ounces | Millilitres |
|---|---|
| 0.1 US fl oz | 2.9574 ml |
| 0.5 US fl oz | 14.7868 ml |
| 1 US fl oz | 29.5735 ml |
| 2 US fl oz | 59.1471 ml |
| 3 US fl oz | 88.7206 ml |
| 5 US fl oz | 147.8676 ml |
| 10 US fl oz | 295.7353 ml |
| 20 US fl oz | 591.4706 ml |
| 25 US fl oz | 739.3382 ml |
| 50 US fl oz | 1,478.68 ml |
| 100 US fl oz | 2,957.35 ml |
| 250 US fl oz | 7,393.38 ml |
| 500 US fl oz | 14,786.76 ml |
| 1,000 US fl oz | 29,573.53 ml |
About the US fluid ounce
29.5735 ml. Drinks and cosmetics labelled in the USA.
About the millilitre
One cubic centimetre. Drinks, medicine and recipes in the metric world.
Related conversions
Frequently asked questions
How many millilitres in a US fluid ounce?
29.5735 millilitres.
How many US fluid ounces in a millilitre?
0.033814 US fluid ounces.
Is the factor exact?
The factor 29.5735 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.