🏗️ Concrete Slab Calculator
Calculate the exact amount of concrete bags needed for your project. Get instant results with weight, volume, and cost estimates to help you plan better and avoid waste.
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Project Dimensions
Enter your slab measurements below
💡 Tip: All measurements should use the same unit. Average market prices are used for cost estimates.
Calculating...
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Calculation Results
Your concrete requirements
📦 Volume & Weight
Total Volume:
— cubic feet
Total Weight:
— lbs
🛍️ Bags Required
60 lbs bags:
— bags needed
80 lbs bags:
— bags needed
💰 Cost Estimate
Using 60 lbs bags:
—
Using 80 lbs bags:
—
📌 Density: 150 lb/ft³ | Bag yields: 60 lb → 0.45 ft³; 80 lb → 0.60 ft³ | Counts rounded up