To know how much square feet this will cover, We need the info about what the perimeter of the carpet is first, otherwise this question cannot be answered.
(If you do not have a defined perimeter, equal length and width would make the most area.)
You will need a minimum of 38.6 square yards of carpet to cover that area.
400 square yards. This is because there are 9 square feet in a square yard, and there are 3600 square feet of carpet needed to cover the 60' x 60' floor.
14 square yards (assuming you are purchasing whole square yards)
15 x 10 = 150 square yards
20 square yards are needed
784 square feet requires a minimum of 87.1 square yards of carpet.
13.333 square yards.
You will need at least 32 square yards of carpet to cover that area.
170/9 = 18.9 square yards
348 square feet are 38.666667 square yards.
You will need a minimum of 38.6 square yards of carpet to cover that area.
400 square yards. This is because there are 9 square feet in a square yard, and there are 3600 square feet of carpet needed to cover the 60' x 60' floor.
28' x 14' (392 square feet) = 43.5 square yards of carpet needed.
13' x 15' (195 square feet) = 21.67 square yards of carpet needed.
14 square yards (assuming you are purchasing whole square yards)
15 x 10 = 150 square yards
At least 31.77 square yards are needed.