Gravel Calculator
Free gravel calculator to estimate cubic yards, tons, and costs for driveways, patios, and landscaping. Includes delivery cost estimates.
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Calculate Gravel for Driveways and Landscaping
Planning a driveway, patio, or drainage project? Our gravel calculator helps you determine exactly how many tons of gravel you need. Get accurate estimates for pea gravel, crushed stone, river rock, or limestone with cost and delivery projections.
Understanding Gravel Measurements
Gravel is sold by the ton, but calculated by volume. Different types have different densities—crushed stone weighs about 2,700 lbs per cubic yard, while pea gravel is lighter at 2,500 lbs. Depth depends on use: 2-4 inches for landscaping, 4-6 inches for driveways.
Gravel Weight Formula
Tons = (Volume × Density) ÷ 2000How to Calculate Gravel Needed
Common Gravel Projects
Driveway Installation
Create a durable gravel driveway with proper base and surface layers.
French Drain
Calculate gravel for drainage solutions around foundations.
Patio Base
Prepare a stable gravel base for pavers or concrete.
Frequently Asked Questions
4-6 inches for most driveways. Use 4 inches of base gravel and 2 inches of top surface gravel. Heavy vehicle traffic may need 6-8 inches total.