How this concrete driveway cost calculator works
Installed concrete is priced by the square foot, because most of the cost is labor and the things around the pour — not the ready-mix. So the estimate is area times a rate:
installed cost = area × price per ft²
At the defaults — a 20 × 30 ft driveway, 4 in thick, $8 per ft² — that is 600 ft², about $4,800 installed, on 7.5 cubic yards of concrete; the full chain is in the worked example. It is a budgeting estimate — get local quotes before you sign.
Where the money goes
The per-square-foot price hides a stack of line items — knowing them explains why the concrete alone doesn’t set the bill:
- Ready-mix concrete: the material — only about a quarter of an installed driveway; priced on the slab calculator.
- Base and grading: the compacted gravel under the slab — a gravel order and machine time.
- Forms and reinforcement: edge forms, and rebar or wire mesh in the slab.
- Finishing and labor: placing, floating, the broom or stamp, and control joints — the biggest share.
- Extras: tear-out of an old drive, thickened edges, aprons and sealing.
The split is worth sitting with: on a plain $8-a-foot driveway, only about a quarter of the bill is the concrete itself — the rest is base, forms, steel, finishing and labor. That is why shaving the slab from 4 inches to 3 saves almost nothing while gambling the driveway’s life, and why the real savings live in the finish and the shape, not in thinning the pour.
What drives the per-square-foot price
The rate you plug in carries the whole job. What moves it up and down:
- Finish: plain broom is cheapest; exposed aggregate, colored and stamped cost more.
- Thickness: 4 in for cars, 5–6 in for RVs, trucks or soft ground — more yards and often a higher rate.
- Shape: a simple rectangle pours cheaper per foot than a curved or cut-up drive.
- Reinforcement: rebar mats cost more than wire mesh or fiber, but earn it on a driveway.
- Site and region: access, tear-out and local labor rates all swing the number.
Length is the lever that sneaks up on a budget. A driveway is priced by the square foot, so stretching a 20 ft wide drive from 30 to 50 ft to reach the street isn’t a small add — it is 400 more square feet, about $3,200 at $8 a foot, on top of the original $4,800. Measure the run you actually need, and price the apron to the street separately, because that last stretch to the curb is often the most expensive part of the job.
Cost by driveway size, and by finish
Table 1 runs $8 per ft² out to common driveway sizes; Table 2 is the installed price range by finish.
| Driveway | Area | Cost |
|---|---|---|
| 20 × 20 | 400 ft² | $3,200 |
| 20 × 30 | 600 ft² | $4,800 |
| 24 × 36 | 864 ft² | $6,912 |
| 30 × 50 | 1,500 ft² | $12,000 |
| Finish | $/ft² |
|---|---|
| Plain broom | $6–10 |
| Exposed aggregate | $8–12 |
| Colored | $10–15 |
| Stamped | $12–20 |
How to estimate a driveway
- Measure the length and width; for an odd shape, total it on the square footage calculator.
- Set the thickness — 4 in for cars, 5–6 for heavy loads.
- Set the installed price per ft² for your finish from the price guide, or a real quote.
- Read the installed cost and the concrete yards it takes.
- Add tear-out, aprons and sealing from the exclusions below.
Worked example: a 20 × 30 ft driveway
The default, worked line by line — a 20 × 30 ft driveway, 4 in thick, $8 per ft²:
concrete = 600 × (4 ÷ 12) ÷ 27 = 7.41 → order 7.5 yd³
cost = 600 × $8 = $4,800
at $12 (stamped) = $7,200
The finish swings it hard: the same 600 ft² is $4,800 plain or $7,200 stamped — a $2,400 spread on labor and coloring, not concrete. That is why the honest lever here is the price per square foot, and why comparing quotes on the same area and finish is the way to read a fair bid.
What this driveway estimate doesn’t include
A per-square-foot rate covers a standard pour; a real job can add:
- Tear-out. Removing and hauling an old driveway before the new one.
- Deep base or fill. Extra gravel or fill on soft or sloping ground.
- Aprons and approach. The street connection and any permit for work in the right-of-way.
- Thickened edges and reinforcement upgrades. Beyond a standard slab.
- Sealing and control joints. Sawn joints and a sealer coat.
- Drainage. Grading or a french drain where water collects.
Concrete driveway cost FAQ
How much does it cost to concrete a driveway?
Figure area times the installed price per square foot. A 20 × 30 ft driveway at $8 per ft² is about $4,800 for plain concrete. Installed prices commonly run $6 to $12 per square foot in 2026 — the low end for a plain broom finish, the high end for thicker slabs, reinforcement, or a cut-up shape.
How much does a concrete driveway cost per square foot?
Roughly $6 to $12 per square foot installed for standard concrete, and $12 to $20 for stamped or decorative. That price rolls in the forms, base, reinforcement, ready-mix, finishing and labor — the concrete itself is only about a quarter of it, which is why cost tracks area, not just yards.
How much does a 2-car concrete driveway cost?
A 2-car driveway is roughly 20 × 20 ft — 400 ft² — so about $3,200 at $8 per square foot, or $2,400 to $4,800 across the usual price range. A longer drive to the street adds area fast: stretch it to 20 × 40 and you double the cost.
Does driveway thickness change the cost?
It changes the concrete, not the per-square-foot price directly. A 4 in driveway is standard for cars; 5 to 6 in for heavy vehicles or soft ground adds cubic yards and usually pushes the installed price toward the top of the range. The calculator shows the yards so you can see the material step up.
How much concrete for a 20x30 driveway?
A 20 × 30 ft driveway is 600 ft²; at 4 in thick that is 7.41 cubic yards, ordered as 7.5 with the quarter-yard rounding. At 6 in it climbs to about 11.25 yards. The concrete volume is on the slab calculator; this page turns the area straight into an installed budget.
How much more does a stamped concrete driveway cost?
Stamped or decorative concrete runs about $12 to $20 per square foot installed — roughly double a plain broom finish — because of the release, stamping, coloring and sealing labor. Exposed aggregate and colored finishes sit in between. Set the price per square foot to your quote to compare finishes.
Sources and standards
The volume is exact; the prices are 2026 estimating ranges:
- Installed price ranges: $6–12 per ft² plain, $12–20 decorative — 2026 estimating figures.
- Concrete volume: area × thickness ÷ 27, rounded to the ¼ yd³ suppliers batch.
- Standard thickness: 4 in for passenger cars, 5–6 in for heavy vehicles (ACI guidance).
- The quote governs: local labor, access and finish set the real number — get bids.
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