Use this construction calculation for preliminary quantity, geometry, material, load, or coverage planning when dimensions and units have been measured consistently.

Total dry ingredient volume (m³)

Required number input.

Cement parts

Required number input.

Sand parts

Required number input.

Split total dry ingredient volume into cement and sand using a by-volume cement-to-sand parts ratio; excludes bulking and yield adjustments. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Cement volume (m³)

The resulting cement volume returned as a number.

Sand volume (m³)

The resulting sand volume returned as a number.

• Concrete quantities and early-age estimates depend on mix design, aggregate moisture, admixture compatibility, temperature, placement, consolidation, curing, form geometry, and testing method. Supplier and project specifications govern the actual order and acceptance.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Verify dimensions on site, use current product data and local code requirements, include an explicit waste or safety allowance where appropriate, and obtain qualified structural, electrical, plumbing, or geotechnical review when required.

• Paint Thinner Ratio

  Thinner volume for a target total coating mix from thinner and paint parts by volume; follow the coating datasheet limits.

• Paint Tint Ratio

  Tint volume for a target total paint mix from tint parts and base-paint parts by volume.

• Paint Hardener Ratio

  Hardener volume for a target two-part coating mix from the specified hardener-to-resin volume-parts ratio.