4
how many 300x300 mm tiles in a square metre
90,000
The answer will depend on the size of the patio slabs.
The answer will vary slightly depending on assumptions: will the slabs have a space between them, and will you be cutting the slabs to fill fractions. 21 feet is equal to 14.2 of the 450 mm slabs. 19 feet is equal to 12.9 of the slabs. To complete the rectangular area, 14.2 x 12.9 = 183 slabs.
4
4.94, approx.
4.9382716 to be precise, so 5, 450x450 slabs in a square metre.
how many 300x300 mm tiles in a square metre
No way to tell w/o knowing how thick you intend to cut them and how much you can expect to lose from each cut.
That means the picture your taking will have 600x600 pixels.
42 slabs...
40 slabs
220 should do it.
48+ breakages
A case of ribs typically contains around 2 to 4 slabs, depending on the size and weight of each slab.
how many types of slabs