Concrete Calculator
Cement bags, sand, aggregate and water for M10/M15/M20 nominal mixes — M25 uses your approved design mix. Enter volume in m³, CFT or square feet with thickness.
Cement (50 kg bags)
8.47
Sand (CFT)
15.57
Aggregate (CFT)
31.15
Water (litres)
201.6
Cement (kg)
403.2
Sand (m³)
0.441
Aggregate (m³)
0.882
Dry volume (m³)
1.54
Assumptions: dry volume factor 1.54 · cement density kg m3 1440 · wastage percent 5 · water cement ratio 0.5