4 ounces
That is hard to say, grapes come in many sizes.
8 oz
That is 3.3 ounces
There are 16 ounces in a pound. Sixty-four Ounces divided by 16 ounces (one pound) equals four. You bought four pounds of grapes.
151 Grams of grapes are in one cup.
16 x 3 = 48 ounces
If you want 30 ounces of paint, then you'll need 30 ounces of paint.
30 grams = 1.06 ounces.
480 ounces in 30 pounds.
175 g = 6.173 oz
If the grape is average size (about 1.6 grams, or 0.0564383391 ounces), then nine ounces of grapes would be approximately 255.