56 16x16" tiles are needed.
If they 16 is in inches, this would be 256 square inches per tile. That would cover 10,496 square inches. Divide by 144 and you get 72.89 square feet.
90 tiles.
150 16x16" tiles; you'll have a small part of one tile left over.
1121/2 16x16-inch tiles.
Assuming you mean 16x16 inches tiles... 441 tiles would cover the area exactly
56 16x16" tiles are needed.
16X16=256 inches 12X12=144 inches=1 Square Foot 126X144=18144 18144/256=79 79 16X16 tiles
Assuming you mean the tiles are 16 inches square - you would need 169 tiles.
297 16x16-inch tiles.
If they 16 is in inches, this would be 256 square inches per tile. That would cover 10,496 square inches. Divide by 144 and you get 72.89 square feet.
To cover 345 square feet with 16x16 tiles , you need at least 195 tiles (194 and 1/16 exactly). 345 square feet x 144 square inches/sq ft = 49680 square inches 16 x 16 = 256 square inches per tile 49680 / 256 = 194.0625 It could take more because you may have to use large fractional tiles on edges, and some may break.
90 tiles.
150 16x16" tiles; you'll have a small part of one tile left over.
125 16-inch tiles.
397
16x16 square feet = 256 square feet, so two tiles will suffice.