How many square yards in a room 13' by 13'?

To calculate the area of a room that is 13 feet by 13 feet, you first need to multiply the length by the width. In this case, 13 feet x 13 feet = 169 square feet. To convert square feet to square yards, you divide by 9 (since 1 yard is equal to 3 feet). Therefore, 169 square feet is equal to 18.78 square yards.