Well, seeing as 1 cup of liquid is 8 fl oz, then two-thirds of a cup of liquid would have to be 8*(2/3) = 16/3 = 5.333333---> ounces.
There are 8 liquid ounces in a cup
1 cup = 8 ounces, so 1/3 cup = 2.66 ounces.
1/4 cup is two fluid ounces.
There are two fluid ounces in 1/4 cup.
that is 2.666 ounces
There are 8 fluid ounces in one cup of liquid in the United States.
If you're measuring a liquid, a third of a cup is one-third of 8 fluid ounces, or 2 2/3 fl oz. If you're not measuring a liquid, then it depends on what you put in the cup. A third cup (volume) of rocks doesn't weigh the same as a third cup of marshmallows.
That is approximately 5.333 ounces
There are 0.67 liquid ounces in one sixth of a cup.
5/8 cup is five fluid ounces.
2.6666666 ounces to 1/3 cup 8 ounces to a cup
8 ounces of butter (1/2 pound) is one cup.