One cup is 8 liquid oz's If want to know how much one cup of walnuts weigh you will have to weigh them
I just weighed one cup of chopped onion: 4 ounces.
About 170 gm, or 6 ounces. To weigh 1 cup of corn kernels, get some scales and weigh the measuring cup. Then fill the measuring cup with corn kernels and weigh it again. Subtract the weight of the cup empty from the weight of the cup full and the answer you get will be the weight of one cup of corn kernel.
One cup of shelled pistachios weighs approximately 5.9 ounces or 167 grams.
one pound
One cup of veggies equals 5 grams.
Three ounces.
Between 6.2 and 6.25 oz
About 5.3 ounces
About 500 gm.
One cup of olives weighs 180 grams.
One cubic centimeter of water would fit into that cup, and it would weigh 1 gram.