Concrete Cost per Square Foot Calculator

Enter your project area, slab thickness, and local pricing to instantly calculate concrete cost per square foot — material, labor, delivery, and total project estimate.

Free to use No sign-up required Based on real contractor rates Imperial & metric supported

✓ Material + labor + delivery ✓ Cost per sq ft breakdown ✓ Waste factor included ✓ Last verified May 2026

Reviewed by the AllConcreteCalculator.com editorial team — pricing data cross-checked against contractor surveys and RSMeans data, May 2026.

Enter Your Project Details

Project Length

Longest dimension of your project area. Please enter a valid length greater than 0.

Project Width

Shorter dimension of your project area. Please enter a valid width greater than 0.

Slab Thickness

Thicker slabs cost more per square foot. Driveway: 6 in. Patio: 4 in.

Please enter a valid thickness greater than 0.

Waste / Overage Factor (%)

10% standard. Use 15% for complex shapes or sloped sites.

Pricing Inputs — adjust to match your local quotes

Ready-Mix Concrete ($/yd³)

US average: $110–$165/yd³. Check your local ready-mix supplier for current pricing.

Labor Rate ($/sq ft)

Typical range: $2–$5/ft² for basic flatwork. Stamped or decorative: $5–$15/ft².

Concrete Delivery Fee (flat $)

Flat delivery charge from the plant. Typical range: $75–$300. Enter 0 if using bags.

Finishing & Other Costs ($/sq ft)

Includes surface sealing, broom finish, curing compound. Enter 0 to exclude.

Results appear instantly. No sign-up required.

Your Cost Estimate

Cost per Square Foot

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Total Cost / sq ft

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Material / sq ft

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Labor / sq ft

Cost Breakdown

Concrete Material —

Labor —

Delivery Fee —

Finishing & Other —

— Area (sq ft)

— Concrete (yd³)

— Thickness

— Waste Factor

Total Estimated Project Cost

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Material + labor + delivery + finishing. Does not include site preparation, gravel base, rebar/mesh, permits, or equipment rental. Add 15–25% contingency for a realistic budget. Use our Full Project Estimator for a complete line-item breakdown.

Step 1: Convert all dimensions to feet
Step 2: Area (ft²) = Length (ft) × Width (ft)
Step 3: Volume (ft³) = Area × Thickness (ft)
Step 4: Volume with waste (yd³) = (ft³ × waste multiplier) ÷ 27
Step 5: Material cost = Volume with waste (yd³) × price per yd³
Step 6: Labor cost = Area (ft²) × labor rate per ft²
Step 7: Finishing cost = Area (ft²) × finishing rate per ft²
Step 8: Total cost = Material + Labor + Delivery + Finishing
Step 9: Cost per ft² = Total cost ÷ Area (ft²)

How to Use This Concrete Cost Calculator

Measure your project area. Use a tape measure to get the length and width of the slab you plan to pour. For an L-shaped or irregular area, break it into rectangles, run each separately, and sum the results. Measure the actual pour area — inside your forms, not the outside of the lumber.
Enter your slab thickness. Thickness directly drives concrete volume, which is the single largest cost variable. A 6-inch driveway uses 50% more concrete than a 4-inch patio of the same footprint. Use the preset buttons for the most common residential thicknesses. When in doubt, go 6 inches — the extra concrete costs less than a premature repair.
Update the pricing inputs to match your local quotes. The defaults are national US averages for 2025–2026. Call your local ready-mix supplier for their current price per cubic yard. Get at least two contractor quotes for labor before accepting the default. Delivery fees vary widely — plants under 10 miles typically charge $75–$150; over 20 miles can run $250+.
Read your results and build your actual budget. The cost per square foot figure is what you use to compare contractor quotes — if a bid is significantly above or below this number, ask why. The total project cost is your material-and-labor baseline. Add 15–25% contingency for permitting, gravel base, rebar, expansion joints, and the inevitable surprises of any concrete pour.

⚠ Pro Tip: The cost per square foot number contractors quote you almost always includes labor and material but excludes delivery, site prep, rebar, and permitting. Always ask for a written itemized quote. A $6/ft² bid can balloon to $10/ft² once those line items are added back in.

How Concrete Cost per Square Foot Is Calculated

The total cost per square foot is the sum of four components — material, labor, delivery, and finishing — divided by the project area. Here's how a real calculation breaks down:

Step	Formula	Example (20 × 20 ft, 4 in)
1. Area	L × W	20 × 20 = 400 ft²
2. Volume (ft³)	Area × Thickness (ft)	400 × 0.333 = 133.3 ft³
3. Volume with waste (yd³)	(ft³ × 1.10) ÷ 27	(133.3 × 1.10) ÷ 27 = 5.43 yd³
4. Material cost	yd³ × $125/yd³	5.43 × $125 = $679
5. Labor cost	ft² × $3.50/ft²	400 × $3.50 = $1,400
6. Delivery	Flat fee	$150
7. Finishing	ft² × $0.75/ft²	400 × $0.75 = $300
8. Total cost	Steps 4+5+6+7	$679 + $1,400 + $150 + $300 = $2,529
9. Cost per ft²	Total ÷ Area	$2,529 ÷ 400 = $6.32/ft²

Concrete Cost Reference Table — Common Project Sizes

Estimated total cost at national average rates ($125/yd³ material, $3.50/ft² labor, $150 delivery, $0.75/ft² finishing, 10% waste). Costs vary significantly by location.
Project	Size	Thickness	Area (ft²)	Total Cost	Cost/ft²
Small patio	10 × 10 ft	4 in	100	$882	$8.82
Standard patio	16 × 16 ft	4 in	256	$1,753	$6.85
Large patio	20 × 20 ft	4 in	400	$2,529	$6.32
Single driveway	10 × 20 ft	6 in	200	$1,682	$8.41
Standard driveway	16 × 40 ft	6 in	640	$4,628	$7.23
2-car garage floor	20 × 22 ft	6 in	440	$3,291	$7.48
Walkway	4 × 50 ft	4 in	200	$1,459	$7.30
RV pad	14 × 40 ft	6 in	560	$4,097	$7.32

Costs calculated using 2025–2026 national average pricing. Regional variation can shift total cost ±40%. Always verify with local contractor quotes.

What Does Concrete Cost per Square Foot by Project Type?

The type of project is the single biggest determinant of cost per square foot — not just because of thickness, but because of complexity, finishing requirements, and the labor involved. Use this table to benchmark contractor quotes.

Typical installed concrete cost ranges by project type — US residential market, 2025–2026. Includes material, labor, delivery, and basic finishing. Excludes site prep, rebar, and permits.
Project Type	Typical Thickness	Low ($/ft²)	Average ($/ft²)	High ($/ft²)	Notes
Sidewalk / Walkway	4 in	$5.00	$7.00	$10.00	Simple flatwork, standard finish
Residential Patio	4 in	$6.00	$8.00	$12.00	Broom or smooth finish
Standard Driveway	6 in	$7.00	$9.00	$14.00	Includes expansion joints
Garage Floor	6 in	$7.00	$9.50	$15.00	Often requires vapor barrier
Stamped Concrete Patio	4–6 in	$12.00	$18.00	$30.00	Pattern and color add major cost
RV / Equipment Pad	6–8 in	$8.00	$11.00	$16.00	Thicker slab, heavier rebar
Pool Deck	4 in	$8.00	$12.00	$20.00	Curved edges and drainage add cost
Exposed Aggregate	4 in	$8.00	$12.00	$18.00	Surface treatment after pour

Labor is typically the largest line item — it frequently exceeds material cost. In high-cost labor markets (California, New York, Massachusetts), installed costs can run 30–50% above the national average. In rural Midwest or Southeast markets, labor can come in 20–30% below these ranges. Always price your specific market.

Common Mistakes When Estimating Concrete Cost per Square Foot

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Treating the contractor's $/ft² quote as all-inclusive. Most concrete contractors quote a price per square foot that covers concrete material and labor only. Delivery fees, rebar or wire mesh, gravel base, forming lumber, permit fees, and concrete sealer are almost always billed as separate line items. Always ask explicitly what is and isn't included. A $7/ft² quote can end up costing $10/ft² or more by the time the job is done.
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Forgetting that thickness drives material cost more than area does. Doubling your slab thickness doubles your concrete volume — and your material cost. A 6-inch driveway needs exactly 50% more concrete than a 4-inch patio of identical footprint. This is the variable most homeowners overlook when getting quotes. Always specify thickness in writing when requesting bids so you're comparing apples to apples.
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Ignoring short-load fees on small jobs. Ready-mix plants have a minimum load size — typically 3 to 5 cubic yards per truck. If your job is smaller than that minimum, you'll pay a short-load surcharge of $50–$200 or more on top of the per-yard price. For jobs under 2 cubic yards, bagged concrete often works out cheaper once you factor in the short-load fee and the per-unit premium on small orders.
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Omitting site preparation from the budget. Excavation, grading, and a compacted gravel base are required before concrete is poured — but none of these are captured in a cost-per-square-foot concrete quote. Site prep can run $1–$3 per square foot on its own. On a 400 ft² patio, that's $400–$1,200 in costs that never appear in the $/ft² figure you're calculating.
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Using the low end of national averages for a high-cost region. National average concrete costs reflect a blend across all US markets. If you're building in a coastal metro area, assume your actual cost will run 30–50% above the national average. Using $6–$8/ft² estimates to budget a project in Los Angeles or Boston is a planning error that will result in significant budget overruns.

Frequently Asked Questions

Professionally installed concrete averages $6–$12 per square foot for standard residential projects in the US, covering concrete material, labor, delivery, and basic finishing. A plain 4-inch patio or walkway typically falls at the lower end ($6–$8/ft²). A 6-inch driveway runs $8–$11/ft². Decorative finishes like stamped concrete push costs to $12–$25 per square foot or more. Geographic location has a major impact — coastal metro markets can run 30–50% above these figures.
Labor is typically the largest single cost component, often exceeding the concrete material cost itself. On a standard residential project, labor accounts for roughly 40–50% of the installed price. Concrete material (including waste) accounts for another 25–35%. Delivery, finishing, and other costs make up the remainder. This means that if your project is in a high-labor-cost market, your cost per square foot will be significantly above national averages even if raw concrete prices are similar.
Yes, directly. A 6-inch slab requires 50% more concrete volume than a 4-inch slab of the same footprint, which increases material cost proportionally. On a 400 ft² project at $125/yd³, the difference between 4 inches and 6 inches is roughly $185 in concrete alone. Labor cost per square foot stays roughly the same regardless of thickness, so the total cost-per-square-foot increase from going thicker is real but not as dramatic as the volume change suggests.
A 12×12 ft (144 ft²) concrete slab at 4-inch thickness costs roughly $850–$1,400 installed at national average rates, or approximately $6–$10 per square foot. The wide range reflects regional labor variation. At 6 inches thick, expect $1,050–$1,650. Note that small jobs often cost more per square foot than large ones because delivery fees and contractor minimums spread across fewer square feet. Use this calculator with your local pricing inputs for a more accurate number.
Standard concrete cost-per-square-foot figures typically exclude: site excavation and grading ($1–$3/ft²), compacted gravel base ($0.50–$1.50/ft²), rebar or wire mesh reinforcement ($0.50–$1.50/ft²), building permits ($50–$500+ depending on municipality), forming lumber and stakes, concrete sealer or waterproofing, and any drainage or slope work. For a full project budget, add 20–30% to the basic $/ft² estimate to cover these items.
For small jobs under 1 cubic yard, DIY using bagged concrete can save $200–$600 on labor. For anything larger, the savings diminish quickly. Ready-mix concrete requires you to pour, screed, and finish the entire slab before it sets — typically within 30–90 minutes depending on conditions. Mistakes on a DIY pour result in cold joints, surface defects, or failed slabs that cost more to remove and redo than the original labor savings. Most contractors have the equipment and crew to handle a pour correctly in one shot. For anything over a 10×10 slab, professional installation is almost always worth the cost.
Use this calculator as your baseline, then get a minimum of three itemized written bids from licensed local contractors. For each bid, confirm exactly what is included — material, labor, delivery, forms, rebar, finishing, and cleanup. Call your local ready-mix supplier directly to get the current per-yard price, which is publicly available and takes less than two minutes. Bids that are 20%+ below competitors often exclude key line items or are low-balling to win the job and then change-ordering you later.
Flat costs — delivery fees, contractor minimum charges, equipment setup — don't scale with project size. A $150 delivery fee on a 400 ft² patio adds $0.38/ft². The same $150 delivery fee on a 100 ft² slab adds $1.50/ft². Contractors also often add a minimum charge for small jobs because mobilizing a crew and equipment for a 2-hour pour isn't economical at standard rates. This is why projects under 200 ft² frequently cost $10–$15/ft² even when the material itself is cheap.
Stamped concrete typically adds $5–$15 per square foot to the cost of a plain slab. A plain 4-inch patio that would cost $7/ft² installed will run $12–$22/ft² in stamped concrete, depending on the complexity of the pattern and the number of colors used. The stamping process requires specialized tools and timing — it must be done during a specific window after the pour, which demands an experienced crew. Resealing stamped concrete every 2–3 years adds ongoing maintenance cost that plain slabs don't have.
In 2025–2026, ready-mix concrete prices nationally range from $110 to $165 per cubic yard for standard residential mix (3,000–4,000 PSI). High-cost markets like California, the Northeast, and Pacific Northwest typically run $140–$180+/yd³. Lower-cost markets in the Midwest and Southeast typically fall in the $100–$130/yd³ range. Specialty mixes (high early strength, air-entrained, fiber-reinforced) add $5–$20/yd³ to these base prices. Always call the plant closest to your project for a current quote — prices fluctuate with cement and fuel costs.