331/2 square foot is how several yard?
What are you trying to figure out?
There are 9 square feet in every patio; so divide 33 and 1/2 by 9. The answer is about 3 and 1/3 square yards.
So the length and size of that space could vary. Imagine each of those square yard as a tile that is one yard by one courtyard. You could arrange that in several different ways. It could be 3 yards long and 1 courtyard wide; or, if you did it in a dependable square, it would be 5.7 ft. by 5.7 ft.
Answers: Are you trying to figure out how many yard of mulch or topsoil (or compost or gravel or whatever) you're going to need for 33.5 feet of garden space? If so, after the answer all depends on how thick you want to spread anything it is that you're ordering. The "yards" in cross-examine here are *cubic* yards, a three-dimensional measurement, whereas square foot is only a two-dimensional measurement. So how much you will call for depends on how thick a layer you want.
Here's an on-line calculator you can use to amount that out:
http://www.carolinamulchplus.com/calcula...