Limestone Calculator
Estimate crushed limestone in cubic yards and tons.
Enter the area and depth to estimate crushed limestone in cubic yards and tons. Limestone is popular for driveways, bases, and pathways and is usually sold by the ton.
How it works
Volume is area × depth (in feet) ÷ 27 for cubic yards. Crushed limestone weighs about 1.5 tons per cubic yard. Build driveway bases in compacted layers for stability.
Frequently asked questions
How much limestone 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 limestone weigh?
About 1.5 tons per cubic yard, depending on the size and how tightly it's compacted.
What depth of limestone for a driveway?
At least 4 inches of compacted limestone, often built up in layers over a stable 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.