Concrete Calculators
Professional-grade concrete calculators for any project. Calculate volume, estimate costs, and determine exact material quantities.
Volume Calculators
Calculate exact concrete quantities needed for your project. Get cubic yards, bags, and weight estimates.
Slab Calculator
A standard 4-inch residential slab needs roughly 0.
Column Calculator
A 12-inch diameter, 8-foot tall concrete column takes 0.
Curb Calculator
Building concrete curbs? Calculate exactly how much concrete you need with our free tool.
Deck Footing Calculator
A standard 12-inch diameter deck footing at 48 inches deep needs about 6 bags of 80-lb concrete.
Driveway Calculator
A standard two-car driveway (20×50 ft at 5 inches thick) needs 15.
Footing Calculator
A standard 20-foot strip footing (2 feet wide, 12 inches deep) requires 1.
Foundation Calculator
A 30×20 ft slab foundation at 8 inches thick takes 14.
Garage Floor Calculator
A standard 24×24 ft 2-car garage slab at 6 inches thick takes 10.
Patio Calculator
A 16×12 ft patio at 4 inches thick needs about 2.
Pier Footing Calculator
Building pier footings? Calculate concrete needs with our free tool.
Post Hole Calculator
A standard fence post hole (10 in diameter, 36 in deep) needs about 3 bags of 80-lb concrete — 8 posts need roughly 22 bags total.
Shed Foundation Calculator
A 10×12 ft shed foundation at 4 inches thick requires 1.
Sidewalk Calculator
A 30-foot residential sidewalk (4 ft wide, 4 in thick) needs about 1.
Steps Calculator
Four standard concrete steps (48 in wide, 7-in rise, 12-in tread) take about 0.
Walkway Calculator
A 25-ft walkway 3 ft wide and 4 in thick takes 0.
Sonotube Calculator
A 12-inch sonotube at 48 inches deep holds 0.
Cost Calculators
Estimate project costs including materials, delivery, and labor. Get pricing breakdowns and budget ranges.
Basement Floor Cost Calculator
Concrete basement floor installation costs $2–6 per square foot.
Slab Cost Calculator
A typical concrete slab costs $4–8 per square foot installed.
Driveway Cost Calculator
A standard concrete driveway runs $5–10 per square foot installed — a 20×50 ft driveway costs $5,000–$10,000.
Garage Floor Cost Calculator
Concrete garage floor installation costs $3–8 per square foot.
Patio Cost Calculator
Concrete patio installation costs $4–8 per square foot for a standard broom finish.
Pool Deck Cost Calculator
Concrete pool deck installation costs $6–15 per square foot.
Shed Base Cost Calculator
Estimate your concrete shed base costs with our free calculator.
Steps Cost Calculator
Poured-in-place concrete steps cost $300–500 per step installed.
Stamped Cost Calculator
Stamped concrete costs $8–18 per square foot installed — roughly double plain concrete.
Quote & Planning Tools
Understand what a contractor quote should include, what drives each line item, and what red flags to watch for before you sign.
Spec Tools
Preliminary engineering specifications for structural concrete applications — output includes ACI code references.
Finishing Tools
Interactive planning tools for concrete finishing — estimate timing, compare finish costs, and assess DIY feasibility. View all finishing tools →
DIY vs Pro Concrete Finishing Tool
Concrete finishing is one of the few construction tasks where mistakes are permanent and expensive.
Concrete Finish Type Cost Estimator
Different concrete finishes vary dramatically in cost — from $4/sq ft for a basic broom finish to $18+/sq ft for premium stamped patterns.
Concrete Finishing Timing Estimator
Timing is the single biggest factor in concrete finishing quality.
Diagnostic Tools
AI-powered tools for identifying and assessing concrete damage.
Need Help Choosing?
Not sure which calculator to use? Start with our concrete slab calculator for basic rectangular shapes.
Use Slab Calculator