### how do we calculate quantity of cement , sand and ...

how do we calculate quantity of cement , sand and aggregates in 1 m3 of M30 grade concrete ? ... ingredients of concrete by design mix as per IS 10262-2009.it depends upon the whether admixture is used or not. ... for designing 1m3 concrete of M25 mix the ratio is 1:1:2 for calculating cement,sand and course aggregate , cement= 1/(1+1+2)=.25 ...