Concrete Calculator
Calculate the amount of concrete needed for your construction project
Slab Dimensions
Concrete Calculator Guide
Common Concrete Uses:
- • Slabs: Driveways, patios, floors (4-6 inches thick)
- • Footings: Foundation support (varies by load)
- • Columns: Structural support posts
- • Steps: Stairs and walkways
- • Sidewalks: Typically 4 inches thick
Planning Tips:
- • Order 5-10% extra concrete for waste
- • Consider delivery time and crew readiness
- • Check local building codes for thickness requirements
- • Plan for proper curing time (28 days for full strength)
- • Consider weather conditions for pouring
Concrete Bag Coverage:
- • 80 lb bag ≈ 0.6 cubic feet
- • 60 lb bag ≈ 0.45 cubic feet
- • 40 lb bag ≈ 0.3 cubic feet
- • 1 cubic yard = 27 cubic feet
- • 1 cubic meter = 35.3 cubic feet
- • Standard slab thickness: 4-6 inches