Concrete & Masonry Calculators
Plan residential flatwork, foundations, retaining walls, and post footings with engineering accuracy. Each tool includes live scaled drawings, multi-bag breakdowns, and local material recommendations.
Interactive Calculation Tools
Concrete Slab Calculator
Calculate volume in cubic yards, 40/60/80 lb bag counts, rebar grid, and sub-base gravel for patios, shed pads, and driveways.
Concrete Footing & Sonotube Pier
Calculate round Sonotube cardboard forms or cylindrical piers for deck posts below the frost line.
Brick & Mortar Masonry Calculator
Calculate modular, queen, and king face bricks, 70-lb mortar bags, washed sand tons, and TMS 402 brick veneer wall ties.
Concrete Block (CMU) Calculator
Estimate 8×8×16 standard concrete masonry units (CMU), core grout fill volume, and mortar bags for retaining walls.
Concrete Steps & Stairs Calculator
Calculate risers, treads, landing platform, and 80 lb bags for exterior stoops and garden stairs.
Gravel & Sand Sub-Base Calculator
Calculate tons, cubic yards, and 50 lb bags of crushed stone (#57 stone) or crusher run for flatwork drainage.
Concrete Construction Guides
How Thick Should a Concrete Patio Be? (3.5" vs 4" vs 6")
Why nominal 2x4s yield 3.5 inches and when heavy furniture or hot tubs necessitate a true 5" reinforced pour.
60 lb vs 80 lb Concrete Bags: Yield & Pricing Comparison
Cost per cubic foot analysis and physical fatigue comparison for DIY backyard projects.
Concrete Curing 101: Hydration Timeline & Crack Prevention
The essential first 7 days of moist curing to maximize 28-day 4000 PSI compressive strength.