Number of blocks in one metre square area (for 300 mm x 150 mm block)

  • Usually, we represent the number of blocks in terms of area (m2) rather than length.
                                  


  • Consider a block of dimension 300 mm x 150 mm x 100 mm. ( wall thickness is 100 mm ) 
  • but for the accurate value we should consider a 10 mm thick mortar layer around the blocks for binding them to each other.
  • Therefore, we consider a single block's length (including mortar) is 310 mm and its height is 160 mm.
  • The area of one block including mortar is 0.31 m × 0.16 m = 0.0496 m2.
  • The number of blocks in one metre square (m2) can be calculated as 1/0.0496 = 20.16 blocks
  • Any area's block count can be determined by multiplying it by 20.16
 

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