A normal yard is 36 inches. However, a traditional clothyard is 39 inches (extra makes up for the seams) so it would depend on which one is applied in the store or area you buy from/in.
That depends on what you want to make. Or do you mean how many yards of fabric are in 12 feet of fabric? If that's what you mean, the answer is 12 feet is equal to 4 yards.
One yard equals 36 inches. If you are trying to get square inches, then multiply the length times width.While a yard of fabric is always 36 inches long, the width can be 32", 34", 36", 45", 60". They...