### Calculate cement sand and aggregate - Civil RnD

Following is a simple method used by engineers to calculate cement, sand and aggregate to produce different grade of concrete like M5, M7.5, M10, M15 and M20. if you don't want to learn the math involved in the design, you can use the table given at the end of the article to produce different grade of concrete.

### how many bags of cement needed for m 20 concrete of grade ...

How to Estimate Concrete Costs . Estimating the cost of new concrete involves much more than the price of concrete per yard (or meter). There are many variables to consider, such as surface prep, formwork, reinforcing materials, and finish work, plus the cost of the ready-mix concrete, that will add up to the total price of the job. ... you will need to grade or prepare the ...