There are 3 feet in one yard. 900 / 3 = 300 There are 300 square yards in 900 square feet. That is the wrong answer. 1 sq. yard= 9 sq. ft. not 3 feet. 100 sq yards equal â¦900 sq feet There are actually 27 square ft in a 1 yard of material, so the real answer is: 900 sq ft / 27 =33 1/3 yards.