Calculate materials for a new driveway including sub-base, base, and surface course.
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How to Use This Calculator
<h4>How to Use</h4><ol><li>Enter the driveway length and width.</li><li>Select the surface material type.</li><li>Adjust waste percentage if needed.</li><li>Review surface material, sub-base, and edging quantities.</li></ol><h4>Tips</h4><ul><li>A standard single-car driveway is about 10–12 ft (3–3.7 m) wide.</li><li>Double driveways are typically 20–24 ft (6–7.3 m) wide.</li><li>Always compact the sub-base in layers of 4 inches (100 mm) maximum.</li></ul>
Common Questions
How thick should a concrete driveway be?
A minimum of 4 inches (100 mm) for cars. For heavy vehicles or frequent use, 5–6 inches (125–150 mm) is recommended.
Do I need a sub-base?
Yes, a compacted sub-base of 6–8 inches (150–200 mm) is essential for a stable, long-lasting driveway regardless of surface type.
How long does a concrete driveway last?
A properly installed concrete driveway can last 25–50 years. Asphalt typically lasts 15–25 years and gravel needs regular top-ups every 2–5 years.