Crushed Stone Calculator
Estimate crushed stone in cubic yards and tons.
Enter the area and depth to get the crushed stone you need in cubic yards and tons. Ideal for driveway bases, drainage layers, and walkways. Crushed stone is usually sold by the ton.
How it works
Volume is area × depth (in feet) ÷ 27 for cubic yards. Crushed stone weighs about 1.45 tons per cubic yard. For a driveway, build the base in compacted layers totaling 4 inches or more over well-drained subgrade.
Frequently asked questions
How much crushed stone do I need?
Multiply area by depth in feet and divide by 27 for cubic yards. A 20×10 ft area at 2 inches deep is about 1.23 cubic yards.
How much does crushed stone weigh per yard?
About 1.45 tons per cubic yard, depending on the stone type and how tightly it's packed.
What depth of crushed stone for a driveway?
Aim for at least 4 inches of compacted stone, often in layers, over a stable, well-drained base.
Is this calculator free and private?
Yes. Every CubicCabin calculator runs entirely in your browser, so the numbers you enter are never uploaded or stored. There's no sign-up, no limits, and it keeps working even if you lose connection after the page loads.