Not because many countries in the world use ounces for measurement. Usually use metrics that are easier to use. Just add 0 (zero) or 3 zeros to the number to make it 1000 times larger. (grams - pounds, meters - miles). He could not determine that the grass was 3 feet and a foot 12 inches. Not to mention the miles of idiots, gallons, rocks, etc. Your question is incomprehensible, 1/4 cup water, concrete or metal? You can not compare the weight to the volume.
You must know about conversion; How many ounces = 1 cup?
This measure is 8 ounces = 1 cup.
Then use one part of 1 cup to multiply the number by 1 cup.
1/4 cup = .25 cups
.25 cups x 8 ounces / 1 cup = 2 ounces
To see this light, be sure to have a measuring cup with an hour on the cup.
A cup is eight ounces. A quarter cup is 2 ounces.
You know, there are tools that you can buy for very little that will teach you all this. This is called a measuring cup.
You can take the value of an ounce to 1 cup, which is 8 and divide by four, which is equal to 2
If you know 8 ounces in a cup, then half a cup is 4 ounces. So the fourth cup will be 2 ounces. You should see a half cup or half cups.
One cup contains 8 US ounces. Dividing by 4 means that 1/4 cup is 2 ounces.
The cup is 8 ounces. There are 4 sections to the cup. Divide 8 by 4, your answer is 2 ounces.