How many blocks

[dimuc]

Hi

Iam planning a build of a large courtyard wall with the following dimensions;

10m x 2.4m and 38m x 2.2m

Iam going to lay 6inch blocks flat

could someone help and tell me how many blocks i need?

Thanks

 

[^woody^]

1/3 less than using 4" blocks which are 20 per m2 flat