How many bags of cement in 1 square meter CHB wall?

The number of bags of cement required for a 1 square meter concrete hollow block (CHB) wall depends on the thickness of the mortar joint and the size of the blocks used. Generally, for a standard 10 cm thick CHB wall, you would need approximately 0.03 to 0.05 cubic meters of mortar, which translates to about 1 to 1.5 bags of cement (assuming a 40 kg bag). Always consider specific project requirements and local practices for an accurate estimate.