ANSWER
1 mL = 0.034 US ounce
1 mL = 0.035 UK ounce
for faster calculations you can use online cooking measurement converter
http://www.ghostcalc.com/cooking-measurement-converter.html
30 ml divided into the amount of fluid ounces
To convert fluid ounces to milliliters (mL), multiply by 29.57: Example: 20 fluid ounces x 29.57 = about 591.4 mL
1 US fluid ounce = 29.5735295625 millilitres. To convert a value in US fluid ounces to millilitres, multiply by 29.5735295625.
About 29.57 mL per fluid ounce.
Fluid ounces (US) to milliliters. 16 US fluid ounces = 473.176475 milliliters