# how to calculate sand and gravel for concrete at m in rwanda

You can also estimate the quantity of sand and gravel required by weight Simply multiply the volumetric quantity of sand and gravel with 1400 kgm 3 bulk density of sand and 1600 kgm 3 bulk density of stone respectively when calculating in metric units Example calculation Estimate the quantity of cement sand and stone aggregate required for 1 cubic meter of 124 concrete mix...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.