# How many 9 inch square floor tiles are needed to cover a rectangular floor that measures 144 inches by 180 inches?

2880 exactly, but if this is ceramic tiles you have to account for grout lines. extras would be recommended

http://wiki.answers.com/Q/How_many_9_inch_square_floor_tiles_are_needed_to_cover_a_rect...

## How many 8-by-8-inch floor tiles will cover 400 square feet?

An 8-inch-by-8-inch square is equal to .444 square feet. So, to figure out how many of these tiles fit into a 400-square-foot space, divide 400 by .444. You will find that 900 8-inch-by-8-inch tile...
Read More »

http://www.answerbag.com/q_view/2283495

## How many 16x16 inch floor tiles are needed to cover 254 sq feet?

16" x 16" means 1.3333' x 1.3333' which is 1.7777 sq feet 254sq feet / 1.777 = 143 Pcs. Regards Sami N.

http://wiki.answers.com/Q/How_many_16x16_inch_floor_tiles_are_needed_to_cover_254_sq_feet

## How many 18 x 18 tiles to cover 440 square foot floor?

It depends on whether the tiles are 18 cm * 18 cm, or 18 in * 18 in or any other units of linear measurement which the question does not specify.

http://wiki.answers.com/Q/How_many_18_x_18_tiles_to_cover_440_square_foot_floor