How much cost for concrete grade 40 per meter square?

The cost of concrete grade 40 can vary depending on location, supplier, and market conditions, but it typically ranges from $100 to $150 per cubic meter. To calculate the cost per square meter, you need to consider the thickness of the concrete slab; for example, if the slab is 10 cm thick, the cost per square meter would be approximately $10 to $15. It's advisable to check with local suppliers for precise pricing.