Concrete driveway calculator
You need
– cubic yards
– cu ft · – m³ · sq ft
- Ready-mix concrete ($160–$195/yd)
- –
- Installed by a contractor
- –
Short answer
An average 2-car driveway (16 × 40 ft) at 4 inches thick needs 7.90 cubic yards of concrete, about 8.69 with 10% extra. Installed in plain concrete at $5–$8 per sq ft, that's roughly $3,200–$5,120.
| 16 × 40 ft × 4 in | 7.90 cu yd |
|---|---|
| Same at 6 in (trucks, RVs) | 11.85 cu yd |
| Plain driveway installed | $5–$8 per sq ft[1] |
| Recommended thickness | 4 in cars, 5–6 in heavy vehicles[2] |
Driveway costs
See the concrete driveway cost guide for prices by finish, removal and resurfacing, and the thickness guide for base and reinforcement.
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Frequently asked questions
How many yards of concrete for a driveway?
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A 16 × 40 ft driveway at 4 inches needs 7.90 cubic yards; a 20 × 20 ft pad needs 4.94.
How thick should a driveway be?
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4 inches for passenger cars and SUVs; 5–6 inches for trucks or RVs over 12,000 lb, on a compacted gravel base.
Sources
- [1]ConcreteNetwork.com, How Much Does a Concrete Driveway Cost? (updated January 13, 2026)
- [2]ConcreteNetwork.com, Concrete Driveway Thickness (published August 17, 2023)
- [3]ConcreteNetwork.com, Concrete Prices (updated July 14, 2026)
- [4]QUIKRETE, Concrete Mix No. 1101 data sheet (bag yields) (current data sheet)
Prices are national ranges published by the sources above, not quotes. Your price depends on size, access, site preparation and local labor rates. The only way to know is to compare written quotes.