Cement/Sand/Aggregate Calculator

Estimate cement bags, sand and aggregate for a nominal mix (e.g. 1:2:4) using the dry-volume method.

V_dry = V_wet × 1.54; part = V_dry × ratio / Σratio
  • 1.54 = dry volume factor
  • Cement density ≈ 1440 kg/m³
  • 1 bag = 50 kg

Inputs

parts

parts

parts

Result

Enter values and press Calculate.
V_dry = V_wet × 1.54; part = V_dry × ratio / Σratio

For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer

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