one square yard equals nine square feet. So in maths terms you divide (13.5 times 11.5) which equals 155.25 sq yards. by nine and the answer is 17.25 sq yards. but if you covering a floor then you will most likely need eighteen sq yds.
1 square foot is 0.111 square yards. The floor area is 9feet x 21feet = 189 square feet. Therefore, the total square yards is: 189 square feet x 0.111 square yards/foot squared = 21 square yards Therefore, there is 21 square yards of floor.
600 square feet equals 66.7 square yards.
The length of the floor is 264/11 = 24 yards
71.11 square yards.
22.22 square yards.
105.55 square yards. (divide square feet by 9 to get square yards)
264/11 = 24 yards
32.11 square yards. * * * * * * * -- 321/9 square yards on the floor -- another 321/9 square yards on the ceiling -- more square yards on the walls, but in order to count them, you have to know the height of the ceiling above the floor.
Total square yards: 111.89
28.88889 sq. yards.
Total square yards: 167.3