Assuming the 300 mm refers to the diameter, there are 9.
1 sq foot = 0.0929030 sq metre
1 sq metre = 1550.0031 sq inches
1 sq metre = 10.764 sq feet (approx)
1 sq metre = 1.196 sq yards.
Assuming the 300 mm refers to the diameter, there are 9.
1 sq foot = 0.0929030 sq metre
305.56
1 sq metre = 10.764 sq feet.
1 sq metre = 1550.0031 sq inches
1 sq metre = 10.764 sq feet (approx)
1 sq metre = 10.76 sq feet.
600 mm x 300 mm = 0.6 m * 0.3 m = 0.18 sq metres. So number i 1 sq metre = 1/0.18 = 5.55... slates. However, this assumes that the some slates can be cut into thin strips most of which are used. If the offcuts are not (or cannot be) used you will need 7 slates to cover a square metre.
1 sq metre = 10000 sq centimetres.
1 sq metre = 1.196 sq yards
There are 1,000,000 sq millimetre in 1 sq metre
1 sq metre = 1.196 sq yards.