How much sand required for M25 concrete in Kgs step 8 :calculate sand required for 1 cubic metre of M25 concrete in kgs ( kilogram) is equal to 1/4 × × 1620 Kg/m3 = 624 Kgs. Ans. :624 Kgs quantity of sand is required for 1 cubic metre of M25 concrete. How much sand required for M25 concrete in cft step 9 :calculate sand required for 1 cubic metre of M25 concrete in cft (cubic feet ...