15*16 = 240 square feet.
300 square feet
17ft x 15ft = 255 ft2
That room size can be estimated 15 ft x 40 ft
115
15 x 10 = 150 (sq ft).
You will need 233 30x30cm tiles to cover the room.
15*16 = 240 square feet.
195 ft2
300 square feet
270
17ft x 15ft = 255 ft2
15 feet by 10 feet is 150 square feet.
That room size can be estimated 15 ft x 40 ft
9.58333 ft.
115
225 square ft.