### how to calculate cement sand in 1m3 - abbaziapertutti

Jul 03, 2011· 3. Volume of 1 bag of cement= 50/1440=0.3472 m3 (1440 is density of cement) 4. To calculate the volume of any constituent of concrete, you must take account of a value called dry co-efficient. Its value is 1.52. For example, let's calculate the volme of cement, sand and gravel for 1 cubic meter of concrete mixed in 1:2:4 ratio.