Conversion result
20 fl oz = 591.47 ml
How the conversion works
Converting from fluid ounces to milliliters uses this relationship:
ml = fl oz × 29.5735
Plugging in 20 fl oz gives 591.47 ml. Adjust the value in the calculator above if you need a different amount.
When people convert fluid ounces
This volume conversion shows up in recipes, fitness tracking, travel, shopping, and school homework. Bookmark nearby values from the related list, or open the full unit converter for more unit pairs.