Answer Posted / engr. hammad khan

I'm a professional civil engineer, here is a perfect simple method.
Let suppose you have total 100 cft of concret.
1.How to calculate number of cement bags.
=100*1.54/(7*1.25)
2. Amount of sand in cft
=no.s of bags*1.25*2
3. Amount of crush in cft
= amount of sand*2

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