Concrete Driveway Cost Calculator
Estimate what a poured concrete driveway will cost. Enter the dimensions, slab thickness, concrete price, labor rate and reinforcement, and get total cost, concrete volume in cubic yards and installed cost per square foot.
Estimated total cost
£4,000.79
- Driveway area (sq ft)
- 640
- Concrete ordered (yd³, +10% waste)
- 8.69
- Concrete material cost
- £1,216.79
- Labor cost
- £2,560.00
- Reinforcement cost
- £224.00
- Installed cost per sq ft
- £6.25
Volume = length × width × thickness, converted to cubic yards (1 yd³ = 27 ft³) with a 10% waste allowance. Concrete cost = ordered volume × $/yd³. Labor cost = area × $/sq ft. Reinforcement is priced per sq ft installed: wire mesh ≈ $0.35, rebar grid (#3 @ 16" o.c.) ≈ $1.10. Site prep, permits, demolition and decorative finishes are not included.
How to use this calculator
Enter the length and width of the driveway in feet — a typical single-car residential driveway is around 10 × 20 ft, a standard two-car driveway is around 16 × 40 ft, and a long shared driveway can run to 12 × 60 ft or more. Pick the slab thickness: 4 inches is the standard for a passenger car driveway, 5 inches is sensible if you regularly park heavier vehicles, and 6 inches is the right choice for RVs, work trucks or trailer parking. Set the concrete price in dollars per cubic yard — call your local ready-mix supplier for a delivered price, but $120–$160/yd³ is a typical US 2024 range. Set the labor cost per square foot — $3–$6/sq ft is normal for a broom-finish residential pour, with the higher end for steep grades, awkward access or decorative work. Pick a reinforcement option: welded wire mesh is the default for residential driveways, rebar grid is stronger but adds materially to cost, and "none" matches a thin plain slab.
How the calculation works
Driveway area is length × width in square feet. Concrete volume is area × (thickness inches ÷ 12) cubic feet, divided by 27 to convert to cubic yards (1 cubic yard = 27 cubic feet, because 1 yard = 3 feet exactly). A 10% wastage allowance is added before pricing, in line with the National Ready Mixed Concrete Association (NRMCA) and American Concrete Institute (ACI) guidance for residential pours. Concrete material cost is ordered volume × your $/yd³ figure. Labor cost is area × your $/sq ft figure. Reinforcement is priced per square foot installed using HomeAdvisor 2024 cost-guide averages: welded wire mesh ≈ $0.35/sq ft, rebar grid (#3 bar at 16 inches on centre) ≈ $1.10/sq ft. The total is the sum of concrete, labor and reinforcement; installed cost per sq ft is the total divided by area.
Worked example
A standard 40 ft × 16 ft two-car driveway, 4 inches thick, with welded wire mesh, $140/yd³ ready-mix and $4/sq ft labor. Area is 40 × 16 = 640 sq ft. Volume = 640 × 4/12 ÷ 27 ≈ 7.9 cubic yards neat; with 10% waste, you order about 8.7 yd³. Concrete material: 8.7 × $140 ≈ $1,218. Labor: 640 × $4 = $2,560. Wire mesh: 640 × $0.35 = $224. Total ≈ $4,002, or about $6.25 per square foot installed — right in the middle of the $4–$8/sq ft band HomeAdvisor and Angi quote for a standard mesh-reinforced residential driveway.
Frequently asked questions
How thick should a residential concrete driveway be?
Four inches is the standard for a driveway that only sees passenger cars and light SUVs — it gives enough flexural strength to spread axle loads over a properly compacted sub-base. Step up to five inches if heavier vehicles park on it regularly, and six inches for RVs, pickups towing trailers, or any driveway that will see commercial-weight vehicles. Going thicker than needed isn’t harmful, but the cost climbs roughly linearly with thickness (the concrete volume scales 1:1 with depth), so there’s no reason to over-build.
Is welded wire mesh or rebar the right reinforcement?
For a standard 4-inch residential driveway on a stable sub-base, welded wire mesh (sometimes called WWF — welded wire fabric) is what most contractors install: it controls shrinkage and crack widths without dominating the cost. Rebar grid (typically #3 bars at 16 inches on centre, tied into a grid and chaired off the form) is stronger and is the right call for a 6-inch slab carrying heavier vehicles, a slab over expansive or poorly compacted ground, or anywhere local code requires it. "No reinforcement" is occasionally used for very short, lightly loaded slabs poured with fibre-reinforced mix instead — check with your supplier.
What does the calculator NOT include?
The total covers concrete material (with 10% waste), placement labor, and reinforcement. It does not include excavation, the gravel sub-base (typically 4–6 inches of compacted aggregate), formwork lumber, permits, removal of an existing slab, decorative finishes (stamped, coloured, exposed aggregate), expansion joints beyond standard practice, or sealing. Demo of an old driveway alone can add $1–$2/sq ft. Decorative finishes can double or triple the labor cost. Treat the figure as a baseline for a plain broom-finish pour and add line items for anything else.
Why is there a 10% waste allowance on the concrete?
Forms are never perfectly tight, the sub-base is rarely perfectly flat, some concrete is left in the chute, and pumped deliveries leave material in the hose. The American Concrete Institute and NRMCA both publish 5–10% as the typical residential waste range, with 10% the conservative default. Running short mid-pour is far more expensive than over-ordering a fraction of a yard, because a second short-load delivery can carry a minimum charge of several hundred dollars.
How do I convert this to metric?
One foot = 0.3048 metres, so a 40 × 16 ft driveway is 12.19 × 4.88 m (≈ 59.5 m²). One cubic yard = 0.7646 m³, so 8.7 yd³ ordered ≈ 6.65 m³. If your supplier quotes per cubic metre rather than per yard, divide their $/m³ figure by 1.308 (since 1 m³ = 1.308 yd³) to get a comparable $/yd³ rate. For UK-style 25 kg general-purpose bags, an 8.7 yd³ pour is more than 500 bags — ready-mix is overwhelmingly cheaper at that volume.
How accurate is this estimate?
For a typical residential pour on a flat, accessible site with stable ground, the calculator gets you within roughly ±15% of a finished bid using realistic regional inputs. Steep grades, restricted access, expansive clay sub-bases, or decorative finishes can move the real number up by 50% or more. For a project of any size, use the calculator to set expectations and pre-budget, then get at least two written quotes from licensed concrete contractors before signing.