There is no conversion possible unless:
1. you change millilitres (a volume) to kilograms (a mass) because ounce is a mass
or
2. you give the thing you are measuring eg: water
This may help:
1 Ounce = 28.3495231 Grams
9.5 oz = about 281mL
3.5 fl oz is 103.507 mL
20 US fl oz is 591.471mL
1 Imperial fluid oz is 28.4131 mL 1 US fluid oz is 29.5735 mL
1.25 oz is approximately equal to 37.5 ml.
9.5 oz = about 281mL
3.5 oz = 103.5 mL
3.5 fl oz is 103.507 mL
20 US fl oz is 591.471mL
30 ml = 1.01442 US oz
7.2 US fl oz is 212.929 mL
About 29.6 mL per fluid ounce.
1 Imperial fluid oz is 28.4131 mL 1 US fluid oz is 29.5735 mL
1.25 oz is approximately equal to 37.5 ml.
2.6 fluid ounces = about 76.9 mL
20 fl oz is 591.471mL
That is 29.53 ml.