Engineering Tools

Concrete VolumeCalculator

Calculate concrete volume for slabs, footings, and columns. Estimate bags needed and total cost for your concrete project.

Concrete Calculation

Concrete Requirements

Cubic Yards2.47yd³
80lb Bags112bags

Project Summary

Volume (ft³)66.7 ft³
Square Footage200 ft²
With Waste2.59 yd³
Total Bags (with waste)118
Estimated Cost$649

Bag Coverage

  • 80 lb bag = 0.6 ft³
  • 60 lb bag = 0.45 ft³
  • Add 5-10% for waste
  • Order extra, return unused

Mix Ratios

  • Standard: 1:2:3 (cement:sand:gravel)
  • High strength: 1:1.5:3
  • Add water gradually
  • Don't over-water

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