How to calculate cement qty of M10, m20, m25 ?
I got the formula but I lost it.

Answer Posted / ekram urrab

e.g. 1::2:4 = 1+2+4 = 7 constant is 1.52 so 1.52/7=0.217 cum
of cement bags i.e. 0.217/0.034 = 6.38 say 6.4 bags or 0.217
x 30 = 6.5 bags of cement is used

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