Construction & Civil

Concrete Volume & Mix Calculator

Calculate concrete volume for slabs, columns, and footings. Determine cement, sand, aggregate, and water quantities for standard mix ratios.

Parameters

Shape

Length (m)

Width (m)

Thickness/Depth (m)

Mix Ratio

Waste Factor (%)

Results

Concrete Volume

3.150 m³

111.2 ft³ · 4.13 yd³

Cement

20.0 bags

999 kg (50kg bags)

Sand

1.386 m³

2218 kg

Aggregate

2.772 m³

4019 kg

Water

499 L

w/c ratio ≈ 0.5

Dry volume = wet volume × 1.54 (voids). Cement = 50kg per bag, 0.0347 m³. Sand density ≈ 1600 kg/m³. Aggregate density ≈ 1450 kg/m³. Water/cement ratio ≈ 0.5 for medium workability.

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