Concrete Cost Calculator

Calculate exactly how much concrete you need for any slab — patios, driveways, garage floors, and more. Get cubic yards, bag counts, and a complete shopping list.

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Slab Calculator

LENGTH WIDTH THICKNESS CONCRETE SLAB
Typical: 4 in (patio), 6 in (driveway)
Price per yd³ Edit to match your local ready-mix price
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Slab Results

Cubic Yards
yd³ (w/ waste factor)
Cubic Feet
ft³
Ready-Mix Cost
estimated material
60 lb Bags
bags needed
80 lb Bags
bags needed
Surface Area
square feet total
Hardware Store Shopping List
Concrete Mix 80 lb bags (Quikrete / Sakrete)
Crushed Gravel Base (4" base layer)
Wire Mesh 6×6 Sheets OR Rebar #4
2×6 Form Boards (perimeter)
6 mil Poly Sheeting (vapor barrier)
Concrete Sealer (apply after 28 days)
⚠️ Always order 10% extra. Stopping mid-pour creates cold joints that weaken the slab structurally.
Slab Thickness Reference
ApplicationMin ThicknessRecommendedPSI
Sidewalk / Walkway3"4"3000
Backyard Patio3.5"4"3000–4000
Residential Driveway4"5"4000
Garage Floor4"5–6"4000
Heavy Equipment Pad6"8"5000

Concrete Cost Breakdown by Project Type

Real-world price ranges for typical 2026 residential concrete projects
Project Typical Size DIY Material Cost Pro Installed Cost
Patio (10×12)120 sq ft, 4" thick$280–$450$960–$1,800
Sidewalk (3×30)90 sq ft, 4" thick$220–$330$540–$1,170
Driveway single (10×30)300 sq ft, 4" thick$650–$1,050$2,400–$4,500
Driveway double (20×30)600 sq ft, 4" thick$1,300–$2,100$4,800–$9,000
Garage floor (22×22)484 sq ft, 4" thick$1,100–$1,700$3,900–$7,250
Pier footing (12" dia × 36" deep)Per pier$8–$15$60–$150
Stamped patio (10×12)120 sq ft$340–$540$1,440–$2,640

Prices reflect average 2026 US costs. Regional variation can be ±30% — labor in coastal cities runs higher, rural areas lower.

What Drives Concrete Cost

Five factors that change your final price by hundreds or thousands of dollars
1. Concrete Mix (PSI)

Standard 3,000 PSI concrete is the baseline. 4,000 PSI for driveways adds $5–$10/yard. 5,000 PSI for high-traffic or freeze-thaw zones adds $10–$15/yard. Specialty mixes (fiber-reinforced, fast-set, high-early-strength) add $15–$30/yard.

2. Short-Load Fees

Ready-mix trucks hold 9–11 yards. Ordering less than ~3 yards triggers a "short-load fee" of $75–$200. For projects under 1.5 yards, bagged concrete is almost always cheaper than ready-mix delivery.

3. Reinforcement

Wire mesh: $0.30–$0.50/sq ft. #3 rebar grid (12" spacing): $0.60–$1.00/sq ft. Fiber-reinforced concrete: $5–$8/yard upcharge. For driveways and garage floors, rebar or mesh is cheap insurance against cracking.

4. Site Prep & Base

Excavation: $0.50–$2.50/sq ft depending on soil. 4" gravel base: $0.40–$0.80/sq ft material plus compaction. Forms (lumber + stakes): $0.20–$0.40/linear ft. Removal of old concrete adds $1–$3/sq ft to demolition.

5. Finish & Sealing

Broom finish: included in base price. Smooth trowel: small upcharge. Stamped/decorative: $4–$10/sq ft over standard. Acid stain: $2–$4/sq ft. Sealer (yearly recommended): $0.20–$0.60/sq ft DIY.

6. Region & Season

Coastal/urban areas: ready-mix runs $150–$220/yard. Rural/midwest: $110–$160/yard. Cold-weather pours (below 40°F) require hot water mix or accelerator: $10–$20/yard surcharge.

Concrete Cost by Project Type — 2026 National Averages

What homeowners actually paid — material plus labor, installed
Project Typical Size Cost per Sq Ft Total Installed
Sidewalk (4")3×20 ft$6–$12$360–$720
Patio (4")12×16 ft$7–$12$1,344–$2,304
Driveway (4–5")20×30 ft$8–$14$4,800–$8,400
Garage floor (6")24×24 ft$8–$16$4,608–$9,216
Stamped patio12×16 ft$12–$22$2,304–$4,224
Basement floor (4")1,000 sq ft$5–$10$5,000–$10,000

Ready-mix concrete itself costs $120–$180 per cubic yard delivered. Labor accounts for 40–60% of total installed cost. Getting 3 quotes from local contractors is always worthwhile — concrete pricing varies significantly by region and by how busy contractors are in your area.

How to Save Money on Concrete

Ready-mix prices vary 15-25% between suppliers in the same city. Always call at least two batch plants for competing quotes before ordering. Schedule your pour mid-week when plants are less busy and more likely to give favorable pricing and on-time delivery. Avoid Friday pours — if anything goes wrong you are waiting until Monday for help.

For bagged concrete, buy in one large quantity from a single trip. Many big-box stores offer a contractor discount card even for one-time large purchases — ask at the service desk. Buying 60 bags at once is significantly cheaper per bag than three separate trips of 20 bags each.

🚛 Truck Payload Reality Check

Concrete weighs 4,000 lbs per cubic yard. Here is what your truck can legally carry.
2026 Truck Max Payload Concrete Capacity Bag Capacity (80lb)
Toyota Tacoma (standard)1,521 lbs~0.38 cu yd~18 bags
Toyota Tacoma (i-FORCE MAX)1,705 lbs~0.42 cu yd~21 bags
Ford F-150 (PowerBoost Hybrid)1,740 lbs~0.43 cu yd~21 bags
Ford F-150 (5.0L V8)2,235 lbs~0.55 cu yd~27 bags
Ford F-150 (3.5L EcoBoost)2,440 lbs~0.61 cu yd~30 bags
3/4-ton (F-250, Silverado 2500)3,500+ lbs~0.87 cu yd~43 bags

*Payload values from 2026 manufacturer specs. Your actual payload is on the door-jamb sticker. Add accessories (toolbox, bedliner) and that number drops 100-300 lbs. A driver and passenger count against payload too.

If your project needs more than 1 cubic yard (4,000 lbs), pickup-truck delivery requires multiple trips. For 2+ cubic yards, ready-mix delivery is almost always cheaper than the gas, time, and suspension wear of multiple bag runs. Most ready-mix trucks deliver 8-10 yards in one trip.

Cost by Mix Strength (PSI)

The cost of ready-mix concrete varies by strength. Higher PSI uses more cement and costs more per cubic yard:

Strength Mix Ratio Premium vs 3000 PSI Use For
2500 PSI1:2:4-5%Footings, foundation walls
3000 PSI (standard)1:2:3baselineDriveways, slabs, sidewalks
4000 PSI1:1.5:3+15-20%Garage floors, RV pads
5000 PSI1:1:2+30-40%High-load applications

Use our Mix Ratio Calculator for raw material quantities at any PSI.

Concrete Slab FAQ

Common questions about calculating and pouring concrete slabs