Concrete Calculator
Concrete Calculator
Calculate cubic yards of concrete for slabs, footings, walls, steps, and curbs.
Slab Dimensions
Results
5.43
cubic yards (incl. 10% waste)
Exact volume4.94 yd³
60-lb bags326
80-lb bags247
90-lb bags218
Truck loads1
Ready-mix est.$760
80-lb bags est.$1,606
🚛 Ready-mix recommended — more cost-effective at this volume
Concrete Mix Strength Guide
| Strength (PSI) | Best For |
|---|---|
| 2,500 PSI | Sidewalks, patios, non-structural |
| 3,000 PSI | Driveways, foundations, general construction |
| 3,500 PSI | Structural, garage floors, footings |
| 4,000 PSI | Heavy traffic, commercial, parking |
| 4,500 PSI | Post-tension slabs, high-strength structural |
| 5,000 PSI | Bridges, heavy industrial, high-rise |