Concrete Mix Quantity Calculator

Enter required concrete volume and mix ratio (by volume). Outputs dry volume, cement required (kg & bags), sand & coarse aggregate quantities.
Common bag size: 50 kg
Accounts for bulking/wastage — default 1.54
Approximate water (adjust by slump/worksability)
Notes: This calculator uses volumetric mix proportions. For design mixes use IS 10262 & lab trial mixes. Quantities are approximate — allow extra for wastage.